Answer :

Given equation of the parabola is x2 - 4x - 8y + 12 = 0



x2 - 4y + 12 = 8y


x2 - 4x + 4 = 8y - 8


(x - 2)2 = 8(y - 1)


Comparing with standard form of parabola (x - a)2 = 4b(y - c) we get,


4b = 8


We know that the that the length of the latus rectum is 4b.


The correct option is C

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