Question

Integral from 9 to 4 of [(x-1)sqrt (x)] dx

Answer 1

integral 9 to 4[(x-1)sqrt x]dx
=integral 9 to4 [x^(3/2)-x^1/2]dx
=9 to 4[(x^5/2)/(5/2) -(x^3/2)/3/2]
solve it.

Answer 2

Where did the 5 come from and where did you factor out a 4