If `int_1^a (3x^2 + 2x +1)dx = 11` then the value of `a` is

int_1^4 3x^2dx

int_1^2 (3x^2+1)dx =

Evaluate int _(1) ^(a) (3x ^(2) + 2x +1) dx = 11, find the real valur of a.

int_1^9 (x^(3/2)+2x+3) dx

int_1^3(x^2)/(x^3+1)dx=?

If int_(a)^(b)x^(3)dx=0andint_(a)^(b)x^(2)dx=(2)/(3) , then the values of a and b are respectively a)1,-1 b) -1,1 c)1,1 d) -1,-1

int(3x+1)/(2x^(2)+x-1)dx