`int_1^2 x^3dx=`

Evaluate: a. int_1^2x^3dx , b. int_u^vmvdv c. int_3^4(1/x)dx , d. int_4^9sqrtxdx e. int_0^(pi//4)cos2xdx

Evaluate the following integral: int_1^2|x-3|dx

Evaluate the following integrals int_1^3(2x+3)dx

Evaluate the following integrals as limit of sum: int_1^3(2x+3)dx

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

Evaluate int_- 1^2|x^3-x|dx

If I_1=int_0^1 2^x^2,I_2=int_0^1 2^x^3dx ,I_3=int_1^2^x^2dx ,I_4=int_1^2 2^x^3dx , then which of the following is/are ture? a) I_1> I_2 (b) I_2> I_2 c) I_3> I_4 (d) I_3 < I_4

If [dot] denotes the greatest integer function, then find the value of int_1^2[3x]dx

Evaluate int_1^3 (2x+3)dx as the limit of a sum.

Evaluate : int_(-1)^2|x^3-x|\ dx