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Axis of a parabola lies along x-axis. If its vertex and focus are at distances 2 and 4 respectively from the origin, on the positive x-axis then which of the following points does not lie on it? (1) (4, –4)(2) (6, 4 √2)(3) (5, 2 √6)(4) (8, 6) |
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Answer» Correct option (4) (8, 6) Explanation: (y – 0)2 = 4.2(x – 2) y2 = 8(x – 2) Now check all options (8, 6) does not satisfy |
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