Question

prove that: a+b+c/a^-1b^-1+b^-1c^-1+c^-1a^-1=abc

Answer 1

To prove:a+b+c/(a^-1b^-1+b^-1c^-1+c^-1a^-1)=abc

Proof

LHS

a+b+c/(1/ab+1/bc+1/ca)

a+b+c/(c+a+b)/abc

On taking reciprocal

a+b+c*abc/c+a+b

abc=RHS

Hence proved

Answer 2

Answer:

I hope this will help u and u will understand in a better way

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