方程式一問~~~~~~~~(請列出步驟)
回答 (3)
2008-10-14 2:06 am
✔ 最佳答案
(1+x)^2 = 13824 / 9600 (1+x) = 1.44^0.5
1+x = 1.2
x = 0.2
參考: CLOUDWAH
2008-10-14 3:52 am
1+x^2=1.44
1+x=1.2
x=0.2
實在簡單
1+x=1.2
x=0.2
實在簡單
2008-10-14 2:05 am
(1+x)^2 = 13824/9600
1+ x =+/- sqrt(13824/9600) =+/- sqrt(1.44) = +/- 1.2
x = 1.2 -1 = 0.2. And
x = -1.2 - 1 = -2.2.
1+ x =+/- sqrt(13824/9600) =+/- sqrt(1.44) = +/- 1.2
x = 1.2 -1 = 0.2. And
x = -1.2 - 1 = -2.2.
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