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The locus of the image of the focus of t...

The locus of the image of the focus of the ellipse `(x^2)/(25)+(y^2)/9=1,(a > b),` with respect to any of the tangents to the ellipse is: (a) `(x+4)^2+y^2=100` (b) `(x+2)^2+y^2=50` (c) `(x-4)^2+y^2=100` (d) `(x+2)^2+y^2=50`

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