વિધેય f(x) = intlimits_0^1 {t,sin ,left( {x + | vedclass

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Question

$f(x) = \left[ { - \frac{t}{\pi }\cos (x + \pi t)} \right]_0^1 + \frac{1}{\pi }\int\limits_0^1 {\cos } (x + \pi t)dt$

$=\frac{1}{\pi} \cos x-\frac{

Vedclass · Accepted Answer

$\frac{1}{{{\pi ^2}}}\sqrt {{\pi ^2} + 4} $

Vedclass · Answer

$f(x) = \left[ { - \frac{t}{\pi }\cos (x + \pi t)} ight]_0^1 + \frac{1}{\pi }\int\limits_0^1 {\cos } (x + \pi t)dt$

$=\frac{1}{\pi} \cos x-\frac{2}{\pi^{2}} \sin x$

$	herefore \mathrm{f}(\mathrm{x})_{\max }=\sqrt{\frac{1}{\pi^{2}}+\frac{4}{\pi^{4}}}=\frac{\sqrt{\pi^{2}+4}}{\pi^{2}}$

વિધેય $f(x) = \int\limits_0^1 {t\,\sin \,\left( {x + \pi t} \right)} dt,\,x \in \,R$ નિ મહત્તમ કિમત ......... થાય.

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