Q.
The equation of the parabola having focus at 6,0 and directrix at x=-6
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a
y2=24x
b
y2=12x
c
x2=24y
d
x2=12y
answer is A.
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Detailed Solution
Given focus 6,0, directrix x=-6Since the foucs lies on x- axis, it is the axis of parabolaThe directrix lies in the left side of the y - axisHence, the prabola is in the standard form as y2=4axAnd distance between focus and directrix is 2a, Here 2a= 12 Hence a=6Therefore, the equatioon of the parabpla is y2=24x
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