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Which of the following differential equ...

Which of the following differential equations has y = x as one of its particular solution?(A) `(d^2y)/(dx^2)-x^2(dy)/(dx)+x y=x` (B) `(d^2y)/(dx^2)+x(dy)/(dx)+x y=x` (C) `(d^2y)/(dx^2)-x^2(dy)/(dx)+x y=0` (D) `(d^2y)/(dx^2)+x(dy)/(dx)+x y=0

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y=x
differentiate with respect to x
`y'=1`
differentiate with respect to x
`y'+xy''-y'=0`
`xy''=0`
`x^2y'-yx=0`
`y''(x^2y'-yx)=0`
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