Differentiate:
1.
2.
3.
I tried these and got 2 pages worth of arithmetic for one problem so I know I'm doing something wrong here.
Hello, c_323_h!
Differentiate:
Simplify first . . .
#2 doesn't simplify, but you applied the Quotient Rule correctly . . . good work!
[By the way, pay no attention to the man behind the curtain.
Partial Fractions are used mostly for Integration, never for Differentiation.]