Q. 38

Mark the correct alternative in each of the following:

Which of the following is the integrating factor of ?

A. x

B. ex

C. log x

D. log (log x)

Answer :

Divide both sides by x log x we get,

Since it is a form of linear differential equation where


Integrating Factor (I.F) = e∫ p dx

Put log x = t

Differentiate w.r.t x we get,

Putting value in integral

Putting value of t, we get,


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