If $f(x)=x-\frac{1}{x}$ then f'(x)=

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If $f(x)=x-\frac{1}{x}$ then f'(x)=

E

Editor

Sep 18, 2022

If $f(x)=x-\frac{1}{x}$ then f'(x)=

Difficulty: Easy

A:

\frac{1}{x^{2}}

B:

1

C:

1-\frac{1}{x^{2}}

D:

1+\frac{1}{x^{2}}

ID: 63273db8ca83163ac3a10257