`int 1/(3x+9) dx`

int 2^(3x+9) dx

(i) int 1/(1-x^2) dx (ii) int 1/(x^2-9) dx

int 1/(9x^2-1) dx=

int 1/(9x^2-1) dx

int(1)/((3x-9)(x+3))dx

Find the following integrals. 1. int 3x^(7)dx 2. int 4 sqrt(x)dx 3. int(dx)/(sqrt(x)) 4. int(x^(3)-5x^(2)+7x-11)dx 5. int (root3(x)-(1)/(root3(x)))dx 6. int 3 xdx 7. int 5x^(2)dx 8. int(1)/(2)x^(3)dx 9. int0.4 x^(4)dx 10. int 12x^(3) dx 11. int 15t^(2)dt 12. int(dtheta)/(theta) 13. int(4x^(2)-5x+1)dx 14. int(3x^(4)-5x^(3))dx 15. intx(8x-(1)/(2))dx 16. int 6x^(2)(x^(2)+x)dx

Evaluate int 1/(3x+4x^(-9))dx

Evaluate each of the following integral: int_0^3 1/(x^2+9)dx

int (x^2 - 3x^9)dx

Evalutate : int (x ^(3) +3x ^(2)+x+9)/((x ^(2) +1) (x ^(2) +3))dx.