设f(x)在x=0处二阶可导,且极限(sinx+xf(x))/x^3=0,(x→0),求f(0),f'(0),f''(0
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设f(x)在x=0处二阶可导,且极限(sinx+xf(x))/x^3=0,(x→0),求f(0),f'(0),f''(0).
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