求下列函数的极值点和极值：[tex=5.929x2.5]4rDl9IQ5CS/3PTgF+aBDk2Y4tt95mQMypUf/dtAFgHI=[/tex].
求下列函数的极值点和极值：[tex=5.929x2.5]4rDl9IQ5CS/3PTgF+aBDk2Y4tt95mQMypUf/dtAFgHI=[/tex].
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求下列函数的极值点和极值：[tex=5.929x2.5]4rDl9IQ5CS/3PTgF+aBDk2Y4tt95mQMypUf/dtAFgHI=[/tex].