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- Question 2, Exercise 2.6
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder... \\ \implies &x_2=\frac{11}{13}x_3\\ \end{align*} Put the value of $x_2$ in (vi), we have \begin{align... 2 \quad \lambda =-7 \end{align*} If $\lambda=2$, put the value of $\lambda$ we have \begin{align*} x_... &= 4x_{2} - 3x_{3} \quad \text{(iv)} \end{align*} Put the value if $x_1$ in (ii), we have \begin{align
- Question 7, Exercise 2.2
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder... tical induction to prove the given fact. For C-1, put $n = 1$ \begin{align}A^1 =\begin{bmatrix} x^1 & ... $ ** Solution. ** we use mathematical induction. Put $n = 1$ \begin{align*} A^1 = \left[\begin{arra
- Question 13, Exercise 2.2
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder... & 6 & -3 \\ 2 & 1 & 7 \end{pmatrix} \end{align*} Put value of $Y$ in (ii), we have \begin{align*} X ... & 3 & -1 \\ 1 & 0 & 3 \end{pmatrix} \end{align*} Put value of $X$ into value of $Y$. \begin{align*} Y
- Question 1, Exercise 2.6
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder... \end{array} \\ \implies &x_2=2x_3\\ \end{align*} Put the value of $x_3$ in (iii), we have \begin{alig... } \\ \implies & x_2 = \frac{2}{5}x_3 \end{align*} Put the value of $x_2$ in (iii), we have \begin{alig
- Question 3, Exercise 2.6
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder... \ &\Rightarrow \quad z = -\frac{1}{2}\end{align*} Put $z = -\frac{1}{2}$ into the second row: \begin{a... }{2} \\ \Rightarrow & y = \frac{5}{4}\end{align*} Put values of $y = \frac{5}{4}$ and $z = -\frac{1}{2
- Question 1, Exercise 2.1
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder
- Question 2, Exercise 2.1
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder
- Question 3, Exercise 2.1
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder
- Question 4, Exercise 2.1
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder
- Question 1, Exercise 2.2
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder
- Question 3, Exercise 2.2
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder
- Question 3, Exercise 2.2
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder
- Question 4, Exercise 2.2
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder
- Question 5, Exercise 2.2
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder
- Question 6, Exercise 2.2
- nit of Model Textbook of Mathematics for Class XI published by National Book Foundation (NBF) as Feder