JEE Mains · Maths · STD 11 - 10.2 parabola,ellipse,hyperbola
Axis of a parabola lies along \(x -\) axis. If its vertex and focus are at distance \(2\) and \(4\) respectively from the origin, on the positive \(x -\) axis then which of the following points does not lie on it?
- A \(\left( {5,2\sqrt 6 } \right)\)
- B \((8, 6)\)
- C \(\left( {6,4\sqrt 2 } \right)\)
- D \((4, -4)\)
Answer & Solution
Correct Answer
(B) \((8, 6)\)
Step-by-step Solution
Detailed explanation
Vertex is \((2, 0)\) \(a = 2\) Any general point on given parabola can be taken as \(\left( {2 + 2{t^2},4t} \right)\,\forall t \in R\) \((8, 6)\) does not lie on this
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