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Tangents are drawn to the circle x^2+y^2...

Tangents are drawn to the circle `x^2+y^2=a^2` from two points on the axis of `x ,` equidistant from the point `(k ,0)dot` Show that the locus of their intersection is `k y^2=a^2(k-x)dot`

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CENGAGE ENGLISH-CONIC SECTIONS-All Questions
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  13. Find the locus of the midpoint of the chord of the circle x^2+y^2-2x-2...

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