JEE Mains 03-Sep-2020 Shift 1 Solved Paper

Section: Mathematics

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Question : 61 of 75

Marks: +1, -0

If y2+loge(cos2x)=y, ‌x∈(−

π

2

,

π

2

), then :

[3 Sep 2020 Shift 1]

|y"(0)|=2
|y′(0)|+y"(0)|=3
|y′(0)|+|y"(0)|=1
y"(0)=0

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