find- `int_2^3(2x)/(1+x^2)dx`

Evaluate int_(2)^(3)(x)/(x^(2)-1)dx

Evaluate :int_(2)^(3)(x)/(x^(2)+1)dx

(i) int_1^3 (3x)/(9x^2-1) dx (ii) int_2^3 x/(x^2+1) dx

find (int(2x)/(x^(2)+1)+x^(2))dx

Find int_1^(3) [x^2-2x-2]dx

find int_(0)^(2)(x+3x^2+1/x^2)dx

Find int _(1)^(3)(3-2x + x^(2)) dx.

find int(1)/(x^(2)-a^(2))dx and hence evaluate int(1)/(3x^(2)+13x-10)dx

(i) int_0^1 (dx)/sqrt(1-x^2) (ii) int_0^1 (dx)/sqrt(1+x^2) (iii) a int_1^sqrt3 (dx)/(1+x^2) b int_0^1 (dx)/(1+x^2) (iv) int_0^(2//3) (dx)/(4+9x^2) (v) int_0^1 x/(x^2+1)dx (vi) int_2^3 x/(x^2+1) dx

Evaluate the following integrals: (i) int_2^3 x^2 dx (ii) int_1^3 x/((x+1)(x+2)) dx