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Analytical Geometry

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Joined:	24 Feb 2009
Post:	119

20 Mar 2009 09:17:19 IST

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268

good question on parabola//

None

p(t^2,2t) ,t belongs to (0,1] is any arbitary point on y^2=4x.

Q is the foot of perpendicular drawn from focus s. to the tangent drawn at p.maximum area of triangle PQS is.

a-1 sq.units

b-2

c-1/2

d-4.

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Comments (3)

saharsha kumar keshkar

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Joined: 7 Aug 2008

Posts: 1104

20 Mar 2009 09:48:06 IST

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ar rehman

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Joined: 24 Feb 2009

Posts: 119

20 Mar 2009 10:07:05 IST

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good job!

correct solution!

Madmax

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Joined: 24 Dec 2007

Posts: 1111

20 Mar 2009 21:56:50 IST

Like 1 people liked this

Area of triangle is 1/2 PQ.QS....not 1/2PQ.PS!!!!!

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