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rewrite to solve for F3. Show steps

1/F1 = 1/F2 + 1/F3

2007-12-06 15:04:50 · 1 answers · asked by Anonymous in Science & Mathematics Mathematics

1 answers

1 / F1 = 1 / F2 + 1 / F3

Give the two terms on the right common denominators...

1 / F1 = F3 / F2 F3 + F2 / F2 F3

Combine those terms...

1 / F1 = ( F2 + F3 ) / F2 F3

Invert both sides...

F1 = F2 F3 / ( F2 + F3 )

2007-12-06 15:09:43 · answer #1 · answered by jgoulden 7 · 0 0

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