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There si a parabola having axis as x-axi...

There si a parabola having axis as `x`-axis, vertex is at a distance of `2` unit from origin & focus is at `(4,0)`. Which of the following point does not lie on the parabola. (a) `(6,8)` (b) `(5,2sqrt(6))` (c) `(8,4sqrt(3))` (d) `(4,-4)`

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