SRMJEE 2016 Paper with key

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Question : 90 of 155

Marks: +1, -0

The integrating factor of the linear differential equation x2(x2−1)

dy

dx

+x(x2+1)y=x2−1 is

1
∫
e
x(x2+1)
x2−1
dx
x
x2−1
x
ex−1
x2−1
x

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