设f(x)=1/(a-x),证明:而且

设f(x)=1/(a-x),证明:<img src='https://img2.soutiyun.com/ask/2020-11-27/975320290099449.jpg' /> 而且 <img src='https://img2.soutiyun.com/ask/2020-11-27/975320308867523.jpg' />

时间:2024-04-17 16:11:19

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