I'm unfamiliar with the term "direct rule." For the first function you need repeated application of the power rule (presuming that I am interpreting your rendering correctly)
Power Rule
So:
I'm going to do the second one for you as well because I'm in a good mood. But next time -- READ THE INSTRUCTIONS -- One question per post.
For the second one you need the Quotient Rule and the Power Rule:
Quotient Rule
For:
where
and are both differentiable,
And we want to calculate:
Begin with calculating the derivatives of numerator and denominator separately:
hence
and
So
John
My calculator said it, I believe it, that settles it
