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- Question 1 Exercise 5.3
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)... c{A}{n}+\dfrac{B}{(n+1)}$$ Multiplying both sides by $n(n+1)$ $$1=A(n+1)+B n=(A+B) n+A$$ Comparing the... n-1)}+\dfrac{B}{(2 n+1)}$$ Multiplying both sides by $(2 n-1)(2 n+1)$. we get, \begin{align} & \mathrm... {3 n-1}-\dfrac{B}{3 n+2}$$ Multiplying both sides by $(3 n-1)(3 n+2)$ we get, \begin{align} 1&=A(3 n+2
- Question 1 Exercise 5.2
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)... ^{n-1}}....(i)\end{align} Multiply (i) both sides by $\dfrac{1}{2}$, we get $$\dfrac{1}{2} S_n=\dfrac{
- Question 2 & 3 Exercise 5.4
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)... {3 k-1}+\dfrac{B}{3 k+2}$$ Multiplying both sides by \begin{align} & (3 k-1)(3 k+2) \text { we get } \
- Question 4 Review Exercise
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)... dfrac{C}{3 n+4}\end{align} Multiplying both sides by $(3 n-2)(3 n+1)(3 n+4)$, we get \begin{align} 1=A
- Question 5 & 6 Review Exercise
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)... c{A}{n}+\dfrac{B}{(n+1)}$$ Multiplying both sides by $n(n+1)$, we get $$1=A(n+1)+B n=(A+B) n+A$$ Compa
- Question 1 Exercise 5.1
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)
- Question 2 & 3 Exercise 5.1
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)
- Question 4 & 5 Exercise 5.1
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)
- Question 6 Exercise 5.1
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)
- Question 7 & 8 Exercise 5.1
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)
- Question 9 Exercise 5.1
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)
- Question 2 & 3 Exercise 5.2
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)
- Question 4 & 5 Exercise 5.2
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)
- Question 1 Exercise 5.3
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)
- Question 2 Exercise 5.3
- Textbook of Mathematics for Grade XI is published by Khyber Pakhtunkhwa Textbook Board (KPTB or KPTBB)