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Vectors

Cool goIITian

 Joined: 23 Jun 2011 Post: 65
31 May 2012 11:53:44 IST
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3D geometry
Engineering Entrance , JEE Main , JEE Advanced , Mathematics , Vectors

Find the equation of the plane which passes through the point (2,1,4) and is perpendicular to each of the planes 9x-7y+6z+48=0 and x+y-z=7.

Cool goIITian

Joined: 29 May 2012
Posts: 37
3 Jun 2012 20:25:15 IST
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13x+3y-16z+35=0

Cool goIITian

Joined: 23 Jun 2011
Posts: 65
4 Jun 2012 00:00:43 IST
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The answer given is x+15y+16z-81=0.

I got it after some time......... we have to solve the following equations:-

a(x-2)+b(y-1)+c(z-4)+d=0; 9a-7b+6c=0; a+b-c=0.

New kid on the Block

Joined: 10 Jun 2012
Posts: 1
10 Jun 2012 20:58:40 IST
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3D geometry

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