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fsc-part1-ptb:definitions [2021/02/07 16:42] – created - external edit 127.0.0.1fsc-part1-ptb:definitions [2024/03/28 16:59] (current) – [Definitions: FSc Part 1 (Mathematics): PTB] Administrator
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 ====== Definitions: FSc Part 1 (Mathematics): PTB ====== ====== 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. +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. 
 + 
 +Definitions by Mr. Aurang Zaib are given at [[:fsc-part1-ptb:definitions-aurang-zaib]]
  
  ===== Chapter 01: Number system =====  ===== Chapter 01: Number system =====
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   * **Tabular method:** A set may be described by listing its elements within brackets.\\ e.g. $\mathbb{N}=\{1,2,3,4,...\}$   * **Tabular method:** A set may be described by listing its elements within brackets.\\ e.g. $\mathbb{N}=\{1,2,3,4,...\}$
  
-  * **Set-builder method:** In this form, we use a latter or symbol for an arbitrary element of a set and also stating the property that is common to all members.\\ e.g. A={$x|x$ is any nature number}+  * **Set-builder method:** In this form, we use a letter or symbol for an arbitrary element of a set and also stating the property that is common to all members.\\ e.g. A={$x|x$ is any nature number}
    
   * **Order of a set:** Number of elements in a set is called its order.\\ e.g. $A=\{3,4\}$ then order of $A$ is $2$.       * **Order of a set:** Number of elements in a set is called its order.\\ e.g. $A=\{3,4\}$ then order of $A$ is $2$.