\
(a)
\The function .
Derivative of a function is defined as
.
.
The derivative of the given function.
\Binomial expansion: .
\
(b)
\Graph:
\Graph the functions and
.
Observe the graph:
\The derivative function is same as the graph of derivative function found using graphing utility.
\\
(a) .
(b)
\Graph the functions and
.