## Calculus Concepts: An Informal Approach to the Mathematics of Change 5th Edition

Published by Brooks Cole

# Chapter 3 - Determining Change: Derivatives - 3.1 Activities: 9

#### Answer

$2\pi t^{(2\pi-1)}$

#### Work Step by Step

$x'(t)=2\pi \cdot t^{2 \pi -1}=2\pi t^{(2\pi-1)}$

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