1. It is given that x=y-2/y+1. Make y be the subject of the formula.
2. It is given that C=h+b-a/2b
Make b be the subject of the formula
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Formula and Algebraic 2題~快
2012-02-26 11:31 pm
回答 (1)
2012-02-27 2:08 am
✔ 最佳答案
1 x = (y - 2)/(y + 1)xy + x = y - 2
x + 2 = y(1 - x)
y = (x + 2)/(1 - x)
2 C = (h + b - a)/2b
2bC = h + b - a
b(2C - 1)= h - a
b = (h - a)/(2C - 1)
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