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If a conic passing through origin has (3...

If a conic passing through origin has `(3,3),(-4,4)` as its foci, then auxillary circle is
(a)`(2x+1)^2+(2y-7)^2=2`
(b)auxillary circle is `(2x+1)^2+(2y-7)^2=98`
(c)auxillary circle is `(2x+1)^2+(2y-1)^2=49`
(d)auxillary circle is `(2x+1)^2+(2y-1)^2=1`

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