If \[y=a\cos \,(\log x)+b\sin \,(\log x)\] where \[a,\,b\] are parameters then \[{{x}^{2}}{y}''\,+\,x{y}'\,=\] [EAMCET 2002]

If \[y=a\cos \,(\log x)+b\sin \,(\log x)\] where \[a,\,b\] are paramet

1.	If \[y=a\cos \,(\log x)+b\sin \,(\log x)\] where \[a,\,b\] are parameters then \[{{x}^{2}}{y}''\,+\,x{y}'\,=\] [EAMCET 2002]
A.	\[y\]
B.	\[-y\]
C.	\[2y\]
D.	\[-2y\]
Answer» C. \[2y\]

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If \[y=a\cos \,(\log x)+b\sin \,(\log x)\] where \[a,\,b\] are parameters then \[{{x}^{2}}{y}''\,+\,x{y}'\,=\] [EAMCET 2002]

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