(a)
\The function is .
Power rule of derivatives: .
Differentiate on each side with respect to .
Differentiate on each side with respect to .
Differentiate on each side with respect to .
Similarly derivative of the function is in the following form.
\
(b)
\The function is .
Differentiate on each side with respect to .
Power rule of derivatives: .
Differentiate on each side with respect to .
Differentiate on each side with respect to .
Observe the pattern of above derivatives and find derivative.
\
(a)
(b)