Least positive integral value of x satisfying
$(e^{x} - 2) (s i n x - c o s x) (x - l o g_{e} 2) (c o s x - \frac{1}{\sqrt{2}}) < 0$ is

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Solution

The correct option is C
4

The sign scheme of the given expression in the interval (0, $2 π$ ) is as below

$∴$ Least +ve integer is x=4.

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