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y=a cos x+b sin x+x sin x is a solution ...

`y=a cos x+b sin x+x sin x` is a solution of the D.E. A)`y_(2)+y=x cos x` B)`y_(2)+2y=2cos x` C)`y_(2)+y=2cos x` D)`y_(2)-y=2cos x`

A

`y_(2)+y=x cos x`

B

`y_(2)+2y=2cos x`

C

`y_(2)+y=2cos x`

D

`y_(2)-y=2cos x`

Text Solution

Verified by Experts

The correct Answer is:
C
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