miaaa0
05.07.2021 •
Mathematics
If 2/a=1/b-1/d find an expression for d in terms of a and b
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Ответ:
Step-by-step explanation:
2/a = 1/b - 1/d
2d/a = d/b - 1
2d/a - d/b = -1
d(2/a - 1/b) = -1
d(2b-a)/(ab) = -1
d(a-2b)/(ab) = 1
d = ab/(a-2b)
Ответ:
8.94427191
Step-by-step explanation:
8.95 or the closet answer from this