MCQ
જો $f(x) = \int_{{x^2}}^{{x^4}} {\sin \sqrt t \,dt,} $ તો $f'(x)$ મેળવો.
- A$\sin {x^2} - \sin x$
- ✓$4{x^3}\sin {x^2} - 2x\sin x$
- C${x^4}\sin {x^2} - x\sin x$
- Dએકપણ નહીં.
$f'(x) = \frac{d}{{dx}}({x^4})(\sin \sqrt {{x^4}} ) - \frac{d}{{dx}}({x^2})\,(\sin \sqrt {{x^2}} )$
$ = 4{x^3}\sin {x^2} - 2x\sin x$.
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