integration problem

[keey]

Could anyone help me on this.
I don't quite know how to do.
thx

 

[pka]

View attachment 1826Could anyone help me on this.

What is the derivative if \(\displaystyle D_y(\frac{1}{4}y^4+2y^2-7y)=~?\)

 

[HallsofIvy]

Most people, before they are expected to do a problem like this, have learned the basic "power rule" for integration:
\(\displaystyle \int x^n dx\)= what?