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Prove, Tan^-1(a+b/a-b)-tan^-1(b+a/b-a)=Tan^-1(b^2-a^2/2ab)?

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  • Prove, Tan^-1(a+b/a-b)-tan^-1(b+a/b-a)=Tan^-1(b^2-a^2/2ab)?


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