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Analytical Geometry

Hot goIITian

Joined:	27 Oct 2009
Post:	106

4 Dec 2010 13:02:28 IST

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in a parabola,find the locus of mid points of all the chords which subtend right angle at the vertex

Engineering Entrance , JEE Main , JEE Advanced , Mathematics , Analytical Geometry

in a parabola,find the locus of mid points of all the chords which subtend right angle at the vertex of a parabola?

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smart ragazza

Hot goIITian

Joined: 27 Oct 2009

Posts: 106

4 Dec 2010 17:36:48 IST

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somebody....................please reply...........its urgent..............

smart ragazza

Hot goIITian

Joined: 27 Oct 2009

Posts: 106

4 Dec 2010 17:36:50 IST

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somebody....................please reply...........its urgent..............

akhil

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Joined: 27 May 2010

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4 Dec 2010 19:00:31 IST

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firstly write the eqn of chord bisected at the mid pt. which is T = S1

then homogenise it with the parabola eqn

and then do the sum of coefficients of x^2 and y^2 = 0 to get a condn....

smart ragazza

Hot goIITian

Joined: 27 Oct 2009

Posts: 106

4 Dec 2010 19:48:26 IST

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sorry but i didn get it...........are you telling from the solns of bt's module.................wat is this concept of homogenising? can you please elaborate??????//

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