我一時想不出來 又沒有解答
所以上來問一下 不好意思
[17+(288)^1/2]^1/2 純小數部分是x
求[(x+2+(4x+x^2)^1/2)/(x+2-(4x+x^2)^1/2)]^1/2 之值
謝謝賜教
版主說要附想法 所以我附一下
[17+(288)^1/2]^1/2-5=x
[17+(288)^1/2]^1/2 =5+x
[17+(288)^1/2]=(5+x)^2
然後我以為可以算出來 但是最後沒算出來
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※ 編輯: gvht 來自: 61.58.206.12 (10/06 21:56)
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