If y = sin (ln x), then which one of the following is correct?

1.	If y = sin (ln x), then which one of the following is correct?
A.	\(\frac{{{d^2}y}}{{d{x^2}}} + y = 0\)
B.	\(\frac{{{d^2}y}}{{d{x^2}}} = 0\)
C.	\({x^2}\frac{{{d^2}y}}{{d{x^2}}} + x\frac{{dy}}{{dx}} + y = 0\)
D.	\({x^2}\frac{{{d^2}y}}{{d{x^2}}} - x\frac{{dy}}{{dx}} + y = 0\)
Answer» D. \({x^2}\frac{{{d^2}y}}{{d{x^2}}} - x\frac{{dy}}{{dx}} + y = 0\)

Discussion

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