find value of def integral with a=-2 and b=2sqrt(3) definite integral is : x^3 * sqrt(x^2+4) dx
for integral i get 1/15 *((4+x^2)^(3/2)) (-8+3x^2)
for value i get [1536- 64sqrt(2)]/15 but its' wrong. help please
for integral i get 1/15 *((4+x^2)^(3/2)) (-8+3x^2)
for value i get [1536- 64sqrt(2)]/15 but its' wrong. help please