question_answer

Integrating factor of the differential equation \[\frac{dy}{dx}+P(x)y=Q(x)\] is             [UPSEAT 2004]

A)                 \[\int{P\,dx}\]        

B)                 \[\int{Q\,dx}\]

C)                 \[{{e}^{\int{P\,dx}}}\]      

D)                 \[{{e}^{\int{Q\,dx}}}\]