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Eccentricity of the parabola x^2 - 4 x - 4y + 4 = 0 is

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Eccentricity of the parabola x2 - 4 x - 4y + 4 = 0 is

(a) e = 0 

(b) e = 1 

(c) e > 4 

(d) e = 4

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Best answer

Correct option  (b) e = 1 

Explanation:

Always eccentricity of parabola is e = 1 .

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