=int_(1)^(3)x^(2)dx+int_(2)^(4)2ydy

int_(1)^(4)3x^(2)dx

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

int_(1)^(3)(2x+1)dx

int_(1)^(2)4^(x)dx

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

int_(1)^(4)(x^(2)-x)dx

int_(0)^(4)(2x+3)dx

int_(1)^(4)(3x^(2)+2x)dx

Evaluation of definite integrals by subsitiution and properties of its : If int_(-1)^(4)f(x)dx=4 and int_(2)^(4)(3-f(x)dx=7 then int_(2)^(-1)f(x)dx=.......

If int_(-1)^(4)f(x)dx=4 and int_(2)^(4)[3-f(x)]dx=7 , then int_(2)^(-1)f(x)dx=