Latus rectum of the parabola $y^{2} - 4 y - 2 x - 8 = 0$ is

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Solution

The correct option is A
2

Given equation,

$y^{2} - 4 y - 2 x - 8 = 0 \Rightarrow (y - 2)^{2} = 2 (x + 6)$

$∴$ Length of latus rectum = 2.

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