[中學] 根號計算
最近在考GMAT
因為本人數學很爛
所以看不太懂以下化簡
答案算式如下
y = (x/12)^(1/3)
2y = 2(x/12)^(1/3) = (8x/12)^(1/3) = (2x/3)^(1/3)
想請問的是
2(x/12)^(1/3) 如何變成 (8x/12)^(1/3)
2(x/12)^(1/3) 要如何運算呢?
謝謝^^
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