UPSC NDA Math Model Paper 2

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Question : 31 of 120

Marks: +1, -0

Find the Solution of the differential equation

dx

dy

=

1+x2

y

with condition that y=1,x=0.

y=e−tan−1x
y=−e−tan−1x
y=etan−1x
y=−etan−1x

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