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Question

The parabola y22x6y+5=0 has

A
Focus (32,3)
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B
Vertex (2,3)
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C
Directrix x=52
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D
all of these
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Solution

The correct option is D all of these
The given equation of the parabola can be written in the form
(y3)2=2(x+2)(y3)2=4.12(c+2)
So, a=12
Coordinates of vertex are x+2=0,y3=0(2,3)
Coordinates of focus are x+2=12,y3=0(32,3)
Equation of directrix is x+2=12x=52

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