The surface area of a crystal grows according to square centimeters

MATHEMATICS · Subjective · A Level · Mathematics · Differentiation · Differentiation

Problem

The surface area of a crystal grows according to

S(x)=2x^{3/4}

square centimeters, where

x

is its edge length in centimeters. Determine

\dfrac{dS}{dx}

x=16\text{ cm}