Find the value of the following: `int_0^(2/3) dx/(4+9x^2)`

Find the value of the following: int_0^1 dx/(1+x^2)

Find the value of the following: int_0^(pi/4) dx/(1-sinx)

Find the value of the following: int_0^1 dx/sqrt(1-x^2)

Find the value of the following: int_0^(pi/4) (1+sin2x)/(cosx+sinx)dx

Evaluate the following: int_0^2 |x-3|dx

Evaluate the following integral: int_1^2(3x)/(9x^2-1)dx

Evaluate the following integral: int_0^1(2x)/(1+x^4)dx

If f(x) is continuous and int_(0)^(9)f(x)dx=4 , then the value of the integral int_(0)^(3)x.f(x^(2))dx is

Evaluate the following integrals : int_0^2(x^2+x)dx

Evaluate the following integrals : int_0^2(x+3)dx