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设f(x)有二阶连续导数,且f.(0)=0,lim(x→0)f..(x)/x^2=1,则()
A.x=0是f(x)的极大值点
B.(0,f(0))是f(x)的拐点
C.x=0是f(x)的极小值点
D.f(x)在x=0处是否取极值不确定
A.x=0是f(x)的极大值点
B.(0,f(0))是f(x)的拐点
C.x=0是f(x)的极小值点
D.f(x)在x=0处是否取极值不确定
参考答案
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