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JEE Main 2024Medium

Q.The length of the chord of the parabola $y^2 = 4ax$ having equation $y = mx + c$ is

a

\dfrac{4\sqrt{a(1 + m^2)}}{|m|}

b

\dfrac{4a \sqrt{1 + m^2}}{m^2}

c

\dfrac{4\sqrt{a^2 + c^2}}{|m|}

d

\dfrac{2a \sqrt{1 + m^2}}{m}

Correct Answer: Option B

The correct solution involves applying the fundamental concept to derive the final value step by step...

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