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An integrating factor of the differentia...

An integrating factor of the differential equation `(1 + x^(2)) (dy)/(dx) + xy = x` is a)`(x)/(1 + x^(2))` b)`(1)/(2) log (1 + x^(2))` c)`sqrt(1 + x^(2))` d)x

A

`(x)/(1 + x^(2))`

B

`(1)/(2) log (1 + x^(2))`

C

`sqrt(1 + x^(2))`

D

x

Text Solution

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The correct Answer is:
C
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