Dr.Harswaroop Sharma Mathematics Solution Class 12 Chapter 7 समाकलन (Integration) Exercise 7O

निम्न समाकलों के मान ज्ञात कीजिए :

Question 1

1. $\int \frac{d x}{x^2+2 x+5}$.

Question 2

2. $\int \frac{d x}{2 x^2+5 x+3}$.

Question 3

3. $\int \frac{x^2 d x}{1-x^6}$

Question 4

4. $\int \frac{d x}{2 x^2+3 x-4}$.

Question 5

5. $\int \frac{d x}{2 x^2+3 x+1}$.

Question 6

6. $\int \frac{d x}{1-x-x^2}$.

Question 7

7. $\int \frac{5 x-2}{1+2 x+3 x^2} d x$

Question 8

8. $\int \frac{x+3}{x^2-2 x-5} d x$

Question 9

9. $\int \frac{3 x}{1+2 x^4} d x$

Question 10

10. $\int \frac{d x}{9 x^2+6 x+5}$

Question 11

11. $\int \frac{d x}{x^4+8 x^2+9}$.

Question 12

12. $\int \frac{5 x d x}{(x+1)\left(x^2+9\right)}$

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