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Analytical Geometry

Blazing goIITian

 Joined: 10 Oct 2011 Post: 430
6 Jul 2012 13:41:32 IST
0 People liked this
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If the sum of the slopes of the lines 4x2 + 2hxy ? y2 = 0 is equal to the product, then va
Engineering Entrance , JEE Main , JEE Advanced , Mathematics , Analytical Geometry

If the sum of the slopes of the lines 4x2 + 2hxy – y2 = 0 is equal to the product, then value of h is

Blazing goIITian

Joined: 8 Oct 2008
Posts: 8064
6 Jul 2012 21:40:29 IST
0 people liked this

divide by x^2 this will give equation in m

4+2m-m^2=0

-2*h=4

h=-2

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