# Chapter 3 - Differentiation - 3.5 Higher Derivatives - Exercises - Page 135: 5

$y' =4\pi r^2$ $y'' = 8 \pi r$ $y''' = 8 \pi$

#### Work Step by Step

For all this derivatives, use the power rule to derive. $y' =4\pi r^2$ $y'' = 8 \pi r$ $y''' = 8 \pi$

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