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- Exercise 1.1 (Solutions) @fsc-part1-ptb:sol:ch01
- ) ====== <lead>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.</lead> The main topics o... \frac{1}{c}\\ &= (a+b) \times \frac{1}{c}\quad \text{(Right distributive property)}\\ &= \frac{a+b}{c... \dfrac{1}{4} \times (4\times 1+4 \times 4x)\quad \text{(multiplicative identity)}$ $=\dfrac{1}{4} \time
- Exercise 2.8 (Solutions) @fsc-part1-ptb:sol:ch02
- ) ====== <lead>Notes (Solutions) of Exercise 2.8: Textbook of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB) Lahore.</lead> The main topic of... eft( {{a}^{-1}}*a \right)*x={{a}^{-1}}*b\,\,\,\, \text{by associative law}\\ \Rightarrow \,\,\,\,& e*x={{a}^{-1}}*b \,\,\,\,\text{by inverse law.}\\ \Rightarrow \,\,\,\,& x={{a}^{
- Exercise 1.2 (Solutions) @fsc-part1-ptb:sol:ch01
- ) ====== <lead>Notes (Solutions) of Exercise 1.2: Textbook of Algebra and Trigonometry Class XI (Mathematics FSc Part 1 or HSSC-I), Punjab Textbook Board (PTB) Lahore.</lead> The main topics o... -iy$, where $x,y\in \mathbb{R}$ \begin{align} \text{Sum} &=z+\overline{z}\\ &=x+iy+x-iy \\ &=2x \in \mathbb{R}, \text{ as } x,y \in \mathbb{R}. \end{align} Now \begin{