If h and k be the intercept on the coord...

If h and k be the intercept on the coordinates axes of tangent to the curve `((x)/(a))^((2)/(3))+((y)/(b))^((2)/(3))=1` at any point, on it, then prove that `(h^(2))/(a^(2))+(k^(2))/(b^(2))=1`

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