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Find the angle between the pair of tange...

Find the angle between the pair of tangents from the point (1,2) to the ellipse `3x^2+2y^2=5.`

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  11. If Sa n dS ' are two foci of ellipse 16 x^2+25 y^2=400 and P S Q is ...

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  13. Prove that the area bounded by the circle x^2+y^2=a^2 and the ellip...

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