156. The focal distance of a point on the pa
rabola y2 = 12x is 4. The abscissa of the
point is:
(a) 1 (6)-1 (c)2 (d)-2
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Answer:
The answer is one.
Step-by-step explanation:
Given y^2=12x.
On comparing with y^2=4ax
we get 4ax=12x=>a=3
the focal distance of any point (x,y) on y^2=12x is x+3.
=>x+3=4
=>x=1.
Therefore the value of abscissa of the point is 1.
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