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If the curves ax^(2) + by^(2) =1 and a(1...

If the curves `ax^(2) + by^(2) =1 and a_(1) x^(2) + b_(1) y^(2) = 1` intersect each other orthogonally then show that `(1)/(a) - (1)/(b) = (1)/(a_(1)) - (1)/(b_(1))`

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The correct Answer is:
Hence , `{:((1)/(a)-,(1)/(b)=,(1)/(c),-(1)/(d)):}`.
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FULL MARKS-APPLICATIONS OF DIFFERENTIAL CALCULUS -ADDITIONAL QUESTIONS SOLVED
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