Q. 195.0( 1 Vote )

# The length

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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