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Differentiation question

2020 · 3 Sep · Shift 1 · Q28

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PYQ Library
JEE Main
Mathematics
Differentiation
2020 · 3 Sep · Shift 1 · Q28

Differentiation question

2020 · 3 Sep · Shift 1 · Q28

JEE MainMathematicsDifferentiationMCQ+4 / −1

If y2 + loge (cos2x) = y,

x \in \left( { - {\pi \over 2},{\pi \over 2}} \right)

, then :

A
|y''(0)| = 2
B
|y'(0)| + |y''(0)| = 3
C
y''(0) = 0
D
|y'(0)| + |y"(0)| = 1

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