Find the derivatives of the following functions. Do not simplify.
(a) f ( x ) = ( 3 x − 5 ) ( − x − 2 + 4 x ) x 4 5 {\displaystyle f(x)={\frac {(3x-5)(-x^{-2}+4x)}{x^{\frac {4}{5}}}}}
(b) g ( x ) = x + 1 x + π {\displaystyle g(x)={\sqrt {x}}+{\frac {1}{\sqrt {x}}}+{\sqrt {\pi }}} for x > 0. {\displaystyle x>0.}
(c) h ( x ) = ( 3 x 2 x + 1 ) 4 {\displaystyle h(x)={\bigg (}{\frac {3x^{2}}{x+1}}{\bigg )}^{4}}
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