The integrating factor of the differenti...

The integrating factor of the differential equation `(dy)/(dx)=1/(x+y+2)` is

A

(a) `e^(x+y+2)`

B

(b) `e^y`

C

(c) `e^(-y)`

D

(d) `log |x+y+2|`

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The correct Answer is:

C

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