Math, asked by kritikag2102, 9 months ago

Prove that:
(m+n)^-1 (m^-1+n^-1) = (mn)^-1

Answers

Answered by kakalimajumdar074
2

(1/ m+n)(1/m+1/n)

=(1/m+n)(n+m/mn)

=1/mn

=mn^-1

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