The differential equation whose solution is \[y=A\sin x+B\cos x,\] is [CEE 1993; Kerala (Engg.) 2002]

\[\frac{{{d}^{2}}y}{d{{x}^{2}}}-y=0\]

\[\frac{{{d}^{2}}y}{d{{x}^{2}}}+y=0\]

The differential equation whose solution is \[y=A\sin x+B\cos x,\] is�

1.	The differential equation whose solution is \[y=A\sin x+B\cos x,\] is [CEE 1993; Kerala (Engg.) 2002]
A.	\[\frac{{{d}^{2}}y}{d{{x}^{2}}}+y=0\]
B.	\[\frac{{{d}^{2}}y}{d{{x}^{2}}}-y=0\]
C.	\[\frac{dy}{dx}+y=0\]
D.	None of these
Answer» B. \[\frac{{{d}^{2}}y}{d{{x}^{2}}}-y=0\]

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