<?xml version="1.0" encoding="UTF-8"?>
<!-- generator="FeedCreator 1.8" -->
<?xml-stylesheet href="https://www.mathcity.org/lib/exe/css.php?s=feed" type="text/css"?>
<rss version="2.0">
    <channel xmlns:g="http://base.google.com/ns/1.0">
        <title>MathCity.org</title>
        <description>Merging man &amp; maths</description>
        <link>https://www.mathcity.org/</link>
        <lastBuildDate>Thu, 04 Jun 2026 18:20:41 +0000</lastBuildDate>
        <generator>FeedCreator 1.8</generator>
        <image>
            <url>https://www.mathcity.org/_media/logo.svg</url>
            <title>MathCity.org</title>
            <link>https://www.mathcity.org/</link>
        </image>
        <item>
            <title>Definitions: FSc Part 1 (Mathematics): PTB</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/definitions</link>
            <description>Definitions: FSc Part 1 (Mathematics): PTB

On this page, all the definitions of “Textbook of Algebra and Trigonometry Class XI, published by Punjab Textbook Board (PTB) Lahore, Pakistan are given. We are very thankful to Muhammad Waqas Sulaiman for his valuable contribution.$\frac{p}{q}$$p,q \in \mathbb{Z}$$q\neq 0$$\frac{p}{q}$$p,q \in \mathbb{Z}$$q\neq 0$$\mathbb{R}$$0.3333....,21.134134$$\pi = 3.1415...$$\divideontimes$$z=x+iy$$x,y \in \mathbb{R}, i = \sqrt{-1}$$x$$y$$z$$2, 3+\sqrt{3}i, \fra…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Sun, 22 Sep 2024 17:12:21 +0000</pubDate>
        </item>
        <item>
            <title>Exercise 1.1 (Solutions)</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/sol/ch01/ex1-1</link>
            <description>Exercise 1.1 (Solutions)
Notes (Solutions) of Exercise 1.1: Textbook of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB) Lahore.
The main topics of this exercise are properties of real numbers, binary operation, addition and multiplication law, properties of equality, properties of inequality (order properties), field, rule of fractions. These notes are based on the new Student Learning Outcomes (SLOs). Version: 4.0, Available at MathCity.org $\{0…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Thu, 13 Apr 2023 09:34:48 +0000</pubDate>
        </item>
        <item>
            <title>Exercise 2.8 (Solutions)</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/sol/ch02/ex2-8</link>
            <description>Exercise 2.8 (Solutions)
Notes (Solutions) of Exercise 2.8: Textbook of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB) Lahore.
The main topic of this exercise are binary operation, semi-group, monoid, groups and abelian groups. These notes are based on the new Student Learning Outcomes (SLOs). Version: 4.1, Available at MathCity.org $\oplus$$G=\{0,1\}$\[
\begin{array}{|c|c|c|}
\hline
  \oplus &amp; 0 &amp; 1 \\ 
\hline
   0 &amp; 1 &amp; 1 \\
\hline
   1 &amp; 1 &amp; …</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Wed, 05 Apr 2023 12:55:15 +0000</pubDate>
        </item>
        <item>
            <title>Definitions and Review</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/definitions-and-review</link>
            <description>Definitions and Review

Textbook of Algebra and Trigonometry Class XI is published by Punjab Textbook Board (PTB) Lahore, Pakistan. The book has total of 14 chapters. On this page, we have posted material related to definitions, reviews and quick reviews.</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Sun, 07 Feb 2021 16:42:56 +0000</pubDate>
        </item>
        <item>
            <title>Definitions: FSc Part 1 (Mathematics): PTB by Aurang Zaib</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/definitions-aurang-zaib</link>
            <description>Definitions: FSc Part 1 (Mathematics): PTB by Aurang Zaib

Definitions from Textbook of Algebra and Trigonometry Class XI, published by Punjab Textbook Board (PTB) Lahore, Pakistan. We are very thankful to Aurang Zaib for his valuable contribution.

Chapter 01: Number System
\( \dfrac{p}{q} \)\( p, q \in \mathbb{Z} \)\( q \neq 0 \)\( \dfrac{3}{4} \)\( \dfrac{7}{2} \)\( \sqrt{2} \)\( \pi \)\( \mathbb{R} \)\( 0.25 \)\( 3.75 \)\( 0.3333... \)\( 1.234234... \)\( \pi \)\( 3.1415... \)\( \sqrt{2} \)\(…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Sat, 30 Mar 2024 16:48:20 +0000</pubDate>
        </item>
        <item>
            <title>Definitions: Mathematics 11: PTB by Muzzammil Subhan</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/definitions-muzzammil-subhan</link>
            <description>Definitions: Mathematics 11: PTB by Muzzammil Subhan

Definitions from Textbook of Algebra and Trigonometry Class XI, published by Punjab Textbook Board (PTB) Lahore, Pakistan. We are very thankful to Muzzammil Subhan for his valuable contribution. Download or view PDF for all definitions. Samples is given below$y=2^x$$y=e^x$$f(x)=\log_a x$$f(x)=\log_e x$$y$$x$$y$$y=x^2+3x$$x^2+xy+y^2=4$$f(-x)=f(x)$$f(-x)=-f(x)$</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Sun, 22 Sep 2024 17:24:14 +0000</pubDate>
        </item>
        <item>
            <title>Old Question Papers/Model Papers HSSC-I (FSc-I): FBISE</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/fbise-papers</link>
            <description>Old Question Papers/Model Papers HSSC-I (FSc-I): FBISE

[FBISE Paper Papers HSSC-I]
Old (past) question papers and model papers of mathematics for HSSC-I (FSc Part 1) conducted by Federal Board of Intermediate and Secondary Education (FBISE), Islamabad.

Paper Pattern

The recommended book for the mathematics paper is</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 11 Dec 2023 13:01:04 +0000</pubDate>
        </item>
        <item>
            <title>Important Questions: HSSC-I</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/important-questions</link>
            <description>Important Questions: HSSC-I

[Important Questions FSc/ICS Part 1]
These are the important questions for “Textbook of Algebra and Trigonometry Class XI” published by Punjab Textbook Board (PTB) Lahore, Pakistan. These questions are taken from old papers. These are very helpful to understand the types of questions which may asked final paper of mathematics for FSc/ICS (HSSC) Part 1. Lot of energy has been put to collect and write these questions. These are taken from old papers of FBISE Islamabad,…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Thu, 18 Apr 2024 08:01:02 +0000</pubDate>
        </item>
        <item>
            <title>MCQs Bank: FSc-I</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/mcq-bank</link>
            <description>MCQs Bank: FSc-I

Lot of high quality MCQs covering Textbook of Algebra and Trigonometry Class XI are available here. There are fourteen (14) chapters in this book, therefore MCQs of each chapters are given on separate page. This book was published by Punjab Textbook Board (PTB) Lahore, Pakistan. These MCQs are not only helpful for this book but can be considered for students of Higher Secondary Schools. Answer are also given on the same page.</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Sun, 07 Feb 2021 16:43:02 +0000</pubDate>
        </item>
        <item>
            <title>Multiple Choice Questions (MCQs)</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/mcqs</link>
            <description>Multiple Choice Questions (MCQs)
Textbook of Algebra and Trigonometry Class XI is published by Punjab Textbook Board (PTB) Lahore, Pakistan. The book has total of 14 chapters.

Our plan is to give lot of Multiple Choice Questions (MCQs) for the above mentioned book. MCQs are very important because most of entry tests, admission tests and job tests consists of only MCQs.$\sqrt{3}$$n$$\sqrt{n}$$\forall a, b, c \in R$$a&lt;b \wedge c&gt;0\Rightarrow ac\geq bc$$a&lt;b \wedge c&gt;0\Rightarrow ac&gt; bc$$a&lt;b \wedge…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Sun, 07 Feb 2021 16:43:03 +0000</pubDate>
        </item>
        <item>
            <title>Short Term Preparation FSc/ICS 1</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/short-term-preparation-salman-sherazi</link>
            <description>Short Term Preparation FSc/ICS 1

fsc fsc_part1 m_salman_sherazi important_questions_fsc_1

[Short Term Preparation by M Salman Sherazi]
This document contains all the important MCQs, Short Questions and Long Questions of Mathematics HSSC-I (FSc/ICS Part 1) from the Textbook of Algebra and Trigonometry for Class XI. It has been done to help the students and teachers at no cost by $\sqrt{2}$</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Thu, 02 May 2024 17:12:17 +0000</pubDate>
        </item>
        <item>
            <title>FSc Part 1 Mathematics Notes/Solutions</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/sol</link>
            <description>FSc Part 1 Mathematics Notes/Solutions

[FSc Part1 PTB Book Cover]
Notes (Solutions) of Textbook of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB) Lahore.
 There are fourteen chapters in this book and we have work hard to make easy and suitable solution for students and teachers so that it help them learn things quickly and easily. Please click on a desire chapter to view the solution of any particular exercise. This work is licensed under a Cre…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Tue, 08 Aug 2023 17:59:03 +0000</pubDate>
        </item>
        <item>
            <title>Solution and Area of Oblique Triangle</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/solution-and-area-of-oblique-triangle</link>
            <description>Solution and Area of Oblique Triangle

These are the common formulas used in Chapter 12 of Textbook of Algebra and Trigonometry Class XI, Punjab Textbook Board Lahore. This handout is very helpful to remember the formulas. All these formulas are given for real valued and defined trigonometric functions. A PDF file can be downloaded for high quality printing and a word file is also given if you wish to modify the contents or credit as you need.$a^2=b^2+c^2-2bc\cos \alpha$$b^2=c^2+a^2-2ca\cos \bet…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Mon, 25 Sep 2023 15:48:59 +0000</pubDate>
        </item>
        <item>
            <title>Trigonometric Formulas</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/trigonometric-formulas</link>
            <description>Trigonometric Formulas

These are the common formulas used in Chapter 9 to 14 of Textbook of Algebra and Trigonometry Class XI, Punjab Textbook Board Lahore. This handout is very helpful to remember the formulas. All these formulas are given for real valued and defined trigonometric functions. A PDF file can be downloaded for high quality printing and a word file is also given if you wish to modify the contents or credit as you need.${{\sin }^{2}}\theta +{{\cos }^{2}}\theta =1$$1+{{\tan }^{2}}\t…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Thu, 25 May 2023 02:59:50 +0000</pubDate>
        </item>
        <item>
            <title>Ch 02: Functions and Groups</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/important-questions/ch02-functions-and-groups</link>
            <description>Ch 02: Functions and Groups

The important questions of Chapter 2 of Textbook of Algebra and Trigonometry Class XI is published by Punjab Textbook Board (PTB) Lahore, Pakistan has been given on this page. These questions are selected from old papers.$(2,4)$$\{a,\{b,c\}\}$$A-B=A \cup B^c$$p \longrightarrow q$$\{(1,2),(2,5),(3,7),(4,9),(5,11)\}$$\{a,b \}$$\{\{a,b\}\}$$~(p \longrightarrow q) \longrightarrow p$$A \cap(B \cup C)=(A \cap B)\cup(A \cap C)$$A=\{1,2,3,4\}$$B=\{3,4,5,6,7,8\}$$C=\{5,6,7,9,…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Sun, 07 Feb 2021 16:47:39 +0000</pubDate>
        </item>
        <item>
            <title>MCQs: Ch 01 Number Systems</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/mcq-bank/ch01</link>
            <description>MCQs: Ch 01 Number Systems

High quality MCQs of Chapter 01 Number System of Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. The answers are given at the end of the page.

MCQs

	*  If $*$$A$$a, b \in A$$a+b \in A$$a-b \in A$$a \times b \in A$$a * b \in A$$z=(1,3)$$z^{-1}= $$(\displaystyle{\frac{1}{10}},\displaystyle{\frac{3}{10}})$$(-\displaystyle{\frac{1}{10}},\displaystyle{\frac{3}{10}})$$(\displaystyle{\frac{1}{10}},-\display…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Sun, 07 Feb 2021 16:47:49 +0000</pubDate>
        </item>
        <item>
            <title>MCQs: Ch 02 Sets, Functions and Groups</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/mcq-bank/ch02</link>
            <description>MCQs: Ch 02 Sets, Functions and Groups

High quality MCQs of Chapter 02 Sets, Functions and Groups of Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. The answers are given at the end of the page.$\forall$$\wedge$$&lt;$$\in$$A$$B$$A\cap B=\phi$$A=B$$B\subseteq A$$A \subseteq B$$A$$B$$A-B \neq \phi$$A=B$$A \subseteq B$$B\subseteq A$$A$$B$$A\cap B=A$$B \subseteq A$$A\cap B=\phi$$A\subseteq B$$B\subseteq A$$A=\phi$$A \cup B=A$$A \cap B=…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Sun, 07 Feb 2021 16:47:49 +0000</pubDate>
        </item>
        <item>
            <title>MCQs: Ch 04 Quadratic Equations</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/mcq-bank/ch04</link>
            <description>MCQs: Ch 04 Quadratic Equations

High quality MCQs of Chapter 01 Number System of Text Book of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Text Book Board, Lahore. The answers are given at the end of the page.

MCQs

$ax^2+bx+c=0$$ax^2+bx+c=0$$b \neq 0$$c \neq 0$$a \neq 0$$x$$ax^2+bx+c$$ax^2+bx+c=0$$\{a,b\}$$ax^2+bx+c=0$$a\neq 0$$x= \frac{b \pm \sqrt{b^2-4ac}}{a}$$x= \frac{-b \pm \sqrt{b^2+4ac}}{2a}$$x= \frac{-b \pm \sqrt{4ac-b^2}}{2a}$$x= \frac{-b \pm \sqrt{b^2-…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Sun, 07 Feb 2021 16:47:50 +0000</pubDate>
        </item>
        <item>
            <title>Exercise 1.2 (Solutions)</title>
            <link>https://www.mathcity.org/fsc-part1-ptb/sol/ch01/ex1-2</link>
            <description>Exercise 1.2 (Solutions)
Notes (Solutions) of Exercise 1.2: Textbook of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB) Lahore.
The main topics of this exercise are complex numbers, real part and imaginary part of complex numbers, properties of the fundamental operation on complex numbers, complex number as ordered pair of real numbers and special subset of complex numbers. These notes are based on the new Student Learning Outcomes (SLOs). Versio…</description>
            <author>anonymous@undisclosed.example.com (Anonymous)</author>
            <pubDate>Sun, 09 Apr 2023 07:32:53 +0000</pubDate>
        </item>
    </channel>
</rss>
