Posted by Shawn on Sunday, October 12, 2008 at 12:25am.
Subtract 1/C2 from each side.
1/C1 = 1/C - 1/C2 = (C2-C)/(C*C2)
Now turn both fractions upside down. This is called "taking the reciprocal of both sides"
C1 = C*C2/(C2 - C) = 1/[(1/C) - (1/C2)]
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