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If the tangents to the ellipse (x^2)/(a^...

If the tangents to the ellipse `(x^2)/(a^2)+(y^2)/(b^2)=1` make angles `alphaa n dbeta` with the major axis such that `tanalpha+tanbeta=gamma,` then the locus of their point of intersection is `x^2+y^2=a^2` (b) `x^2+y^2=b^2` `x^2-a^2=2lambdax y` (d) `lambda(x^2-a^2)=2x y`

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