GUJCET 2019 Math Solved Paper

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Question : 22 of 40

Marks: +1, -0

The integrating factor (I.F.) of differential equation

dy

dx

(1 + x) – xy = 1 – x is ………

(1 + x)ex
(x – 1)e−x
(1 + x)e−x
(1 – x)e−x

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