Class 12 Mathematics Continuity and Differentiability Derivative at a point, Standard differentiation

Medium

If $y = \frac{e^x + e^{-x}}{e^x - e^{-x}}$,then $\frac{dy}{dx}$ is equal to

A
$\text{sech}^2 x$
B
$\text{cosech}^2 x$
C
$-\text{sech}^2 x$
D
$-\text{cosech}^2 x$

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Class 12 Questions

Class 12

Mathematics Questions

Chapter

Continuity and Differentiability

Subtopic

Derivative at a point, Standard differentiation

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