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Parabola question

2019 · 11 Jan · Shift 2 · Q39
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Parabola question

2019 · 11 Jan · Shift 2 · Q39

JEE MainMathematicsParabolaMCQ+4 / −1
If the area of the triangle whose one vertex is at the vertex of the parabola, y2 + 4(x – a2) = 0 and the othertwo vertices are the points of intersection of the parabola and y-axis, is 250 sq. units, then a value of 'a' is :
  1. A
    555\sqrt 555​
  2. B
    (10)2/3{\left( {10} \right)^{2/3}}(10)2/3
  3. C
    5(21/3)5\left( {{2^{1/3}}} \right)5(21/3)
  4. D
    5
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