AP EAPCET 19-Aug-2021 Shift 2 Paper

Section: Mathematics

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Question : 80 of 160

Marks: +1, -0

If x2+y2=1, then _______

y(y")−4(y′)2+1=0
y(y")+(y′)2+1=0
y(y")−(y′)2−1=0
y(y")+2(y′)2+1=0

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