Question

How to integrate x^5sqrt(x^2+3)

Answer 1

int (x^5sqrt(x^2+3)) = int ((x^2)^2*x*sqrt(x^2+3))dx
let u = x^2+3 -----> x^2 = u-3
du = 2x dx
1/2 du = x dx
continue it ....

Answer 2

thanks

Answer 3

yw