Question

Prove that x^(- 1) / ( x^(- 1) + y^(- 1) ) + x^(- 1) / (x^(- 1) - y^(- 1) ) = (2y^2)/ (y^2 - x^2)
PLS ANSWER ASAP, with explanation !!!

Answer 1

Answer:

no it is wrong

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