Prove that `a^(-1)/(a^(-1)+b^(-1))+a^(-1)/(a^(-1)-b^(-1))= (2b^2)/(b^2-a^2)`
138 views · Published 11 October 2018 · 2:24 · Indexed 25 September 2026
Channel: Doubtnut · 2018 · Education
To ask Unlimited Maths doubts download Doubtnut from - https://goo.gl/9WZjCW Prove that `a^(-1)/(a^(-1)+b^(-1))+a^(-1)/(a^(-1)-b^(-1))= (2b^2)/(b^2-a^2)`
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