[中學] 學弟問的一題log,算不出來orz
題目是:
[a^(1/x)]+[b^(1/(x+1))]+[c^(1/(x+3))]=10
x=11,21,31
solve log(abc)=?
麻煩版友指點方向
到底要怎麼開始阿@@
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※ 編輯: johnnymay 來自: 114.33.15.176 (04/26 20:29)
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