solve x dy/dx+y=e^sinx cos x
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Answer:
secxdxdy=y+sinx
⇒dxdy−secxy=secxsinx
⇒dxdy−ycosx=sinxcosx
P=−cosxQ=sinxcosx
I.F=e∫pdx=e∫−cosxdxe−sinx
solution of D.E is
⇒y×I.F=∫Q×I.Fdx+c
⇒ye−sinx=∫sinxcosxe−sinxdx+c
putting sinx=t
⇒cosx=dt
⇒ye−sinx=∫te−tdt+c
⇒ye−sinx=−te−t−∫−1.e
hope this helps uh
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