If $y=a e^x+b e^{-x}+c$, where $a, b, c$ are parameters, then $y^{\prime \prime \prime}$ is equal to

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Aicharya · Accepted Answer

We have, $ \begin{aligned} y & =a e^x+b e^{-x}+c \ y^{\prime} & =a e^x-b e^{-x} \ y^{\prime \prime} & =a e^x+b e^{-x} \ y^{\prime \prime \prime} & =a e^x-b e^{-x}=y^{\prime} \end{aligned} $

If $y=a e^x+b e^{-x}+c$, where $a, b, c$ are parameters, then $y^{\prime \prime \prime}$ is equal to

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