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(a^-1 + b^-1)^-1?

2007-11-12 15:13:01 · 1 answers · asked by bricklayer978 1 in Science & Mathematics ➔ Mathematics

1 answers

=(1/a+1/b)^-1

=(a*b)/(a+b)

2007-11-12 15:20:03 · answer #1 · answered by info2know 3 · 0⤊ 0⤋

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