I want to double check these answers, this book doesnt supply answers.
Thanx in advance
It's not entirely clear what you are asking, but here I will assume thatOriginally Posted by NeF
you want the derivative of:
First divide through on the right hand side by the at the bottom:
Now differentiate using the rules for differentiating powers:
Now rearrange and simplify (back towards something like the form we started