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The equation of the latus rectum of the parabola x^2 + 4 x + 2y = 0 is

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The equation of the latus rectum of the parabola x2 + 4 x + 2y = 0 is

(a) 2y + 3 = 0 

(b) 3y = 2 

(c) 2y = 3 

(d) 3y + 2 = 0

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1 Answer

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Best answer

Correct option  (c) 2y = 3 

Explanation:

(x + 2)2 = -2(y - 2)

Equation of latus rectum is y - 2 = -1/2 ⇒ y = 3/2.

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