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Let the sequence {a_n } decrease monotonically, and f(x)>0,f^' (0)=0,

匿名用户 最后更新于 2021-09-20 12:45 数学类Mathematics

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Let the sequence {an} decrease monotonically, and f(x)> 0, f'()=0, find a sufficient condition that the function z=f(x)In(y) obtains a minimum value at the point(0,0)


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