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The function \mathrm{y=\sqrt{\frac{1}{2}}-\cos ^2 x} is not continuous at
 

Option: 1

\mathrm{x=\frac{\pi}{4}}


Option: 2

\mathrm{x=\frac{3\pi}{4}}


Option: 3

\mathrm{x=\frac{5\pi}{4}}


Option: 4

none of these


Answers (1)

best_answer

\begin{aligned} &\mathrm{u =\sqrt{x}, v=\left(\frac{1}{2}\right)-\cos ^2 x \text { are continuous for } }\\ &\mathrm{x >0 .}\\ \end{aligned}

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Ajit Kumar Dubey

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