Question

Please Please give me the answer to this question. I will mark it the Brainliest​

Answer 1

Answer:

a + b + c /a^-1 b^-1 + b^-1 c^-1 + c^-1 a^-1 = ABC

ab + bc + ca / a+b+c = ABC

cross multiplication

ab +bc + ca = ABC (a+b+c)

ab + bc + ca = a^2+ ab +ca +b^2 +ab + bc + ac + c^2 + cb

0 = a^2 + b^2 + c ^2 + ab +bc +cb

-a-b-c = a^2 + b ^2 + c ^3

Answer 2

Answer:

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