2 ways: (lnx)' & (logb(x))'

General Leibniz rule: Show (fg)^(n) = Σ nCk f^(n-k) g^(k) for k=0 to n

General Leibniz rule

Implicit Differentiation Problems Set (UC Davis) via "Short Cut"

3 ways: n-th derivative of (x e^x)