Which one of the following statements is correct in respect of the fun

1.	Which one of the following statements is correct in respect of the function\[f(x)={{x}^{3}}\sin x\]?
A.	f'(x) changes sign from positive to negative at x = 0
B.	f '(x) changes sign from negative to positive at x = 0
C.	Does not change sign at x = 0
D.	\[f''(0)\ne 0\]
Answer» D. \[f''(0)\ne 0\]

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Which one of the following statements is correct in respect of the function\[f(x)={{x}^{3}}\sin x\]?

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