Q. 51

Mark the correct alternative in each of the following:

The integrating factor of the differential equation is

A.


B.

C.

D.

Answer :


Divide both sides by 1 – y2 we get,



Since it is a form of linear differential equation where


and


Integrating Factor (I.F) = e∫ p dx




Put 1 – y2 = t


Differentiate w.r.t y we get,



Putting value in integral




Putting value of t, we get,



Now,



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