# Chapter 2 - The Derivative - 2.3 Introduction To Techniques Of Differentiation - Exercises Set 2.3 - Page 140: 8

$=\frac{2}{5}x.$

#### Work Step by Step

Distribute the $\frac{1}{5}$ through the $x^{2}+1$ to get $\frac{1}{5}x^{2}+\frac{1}{5}$. Finally, use the power rule for derivatives ($[x^{n}]'=nx^{n-1}$) to get $\frac{2}{5}x^{2-1}+0=\frac{2}{5}x.$

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.