JEE MAIN - Mathematics Hindi (2020 - 3rd September Morning Slot - No. 10)
यदि y2 + loge (cos2x) = y है,
$$x \in \left( { - {\pi \over 2},{\pi \over 2}} \right)$$, तब :
$$x \in \left( { - {\pi \over 2},{\pi \over 2}} \right)$$, तब :
|y''(0)| = 2
|y'(0)| + |y''(0)| = 3
y''(0) = 0
|y'(0)| + |y"(0)| = 1
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