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JEE Main 31-Aug-2021 Shift 2 Solved Paper

Section: Mathematics
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Question : 72 of 90
 
Marks: +1, -0
If y
dy
dx
=x[
y2
x2
+
ϕ(
y2
x2
)
ϕ′(
y2
x2
)
],x>0,ϕ>0, and y(1)=−1 , then ϕ(
y2
4
) is equal to
[31 Aug 2021 Shift 2]
Validate
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