Question

! x4 sin ( x5 + 6) dx is equal to:​

Answer 1

I assume it is integration problem

put x^5 + 6 = y

differentiating we get

5x^4 dx = dy

x^4 dx = dy/5

our integration becomes

I = sin y dy / 5

= - cosy /5 + c

= (-1/5) cos (x^5 + 6) + c