Aspire Faculty ID #17290 · Topic: CUET UG 2022 Applied Mathematics · Just now
CUET UG 2022 Applied Mathematics

If $y=\log(\sec e^{x^2})$, then $\frac{dy}{dx}=$

Solution

$y=\log(\sec(e^{x^2}))$

Using property:

$\frac{d}{dx}\log(\sec u)=\tan u\cdot\frac{du}{dx}$

Let $u=e^{x^2}$

Then,

$\frac{du}{dx}=2xe^{x^2}$

Hence,

$\frac{dy}{dx}=2xe^{x^2}\tan(e^{x^2})$

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