Maths (F.4)

2008-02-11 10:40 pm
how to calculate
5^(1/2) = (2x^2-4x+4)^(1/2) + (2x^2-2x+1)^(1/2)

thxx
更新1:

simplify

回答 (1)

2008-02-11 10:53 pm
✔ 最佳答案
Solution:

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