Find the general solution of the differential equation `(dy)/(dx)-y=cosx`

Explanation

``
`frac{d y}{d x}-y=cos x`


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or, `frac{d y}{d x}=cos x+y`


or, `d y=cos x d x+y d x`


Integrating both sides,


``
`int d y=int cos x d x+y int d x+c`


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