Question

prove that a-^1/a-^1+b-^1 + a-^1/a-^1-b-^1 = 2b^2/b^2-a^2​

Answer 1

Answer:

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Answer 2

$bro \: or \: sis \: please \: see \: the \: above \: attachment \: you \: will \: know \: the \: solution \:$