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[Post New]13 Feb 2008 16:58:52 IST
    Subject: Re:mths
[Up]
abhijeet_0201 (756)

Blazing goIITian

Olaaa!! Perrrfect answer. 120  [198 rates]
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let coordinates be (x,y)
focus =(1,0)
focal dis=(x-1)2+y2
putting y2=4x
 
d^2 =(x-1)2+4x
36=x2+2x+1
solving
x=5 or -7
since -7 does not lie on the parabola
so x=5
y=20=+-2root5
 
so (a) and (b) 
 this reply: 5 points  (with 1 Olaaa!! Perrrfect answer.   in 1 votes )   [?]
 
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