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JEE Advanced Mathematics question

MathematicsParabolaJEE Advanced

The equation of a tangent to the parabola from the point is

Answer: (A),(C)

Solution

For , ; any tangent is . Through :

10 = 4m + ⇒ - 40m + 9 = 0 ⇒ (4m - 1)(4m - 9) = 0 ⇒ m = Missing argument for \frac\frac14, Missing argument for \frac\frac94 .

- $m = \

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Question ID VK-109046