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Coordenate problem

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Source: — Problem Solving |

by vishubn » Sun Nov 16, 2008 6:17 am
Hi
its one of the most discussed ! please serch the forum by question
https://www.beatthegmat.com/please-help- ... t7941.html

Vishu
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by logitech » Sun Nov 16, 2008 10:13 am
GMAT tests this concepts in high level geometry questions:

If two lines are perpendicular to each other, the product of their slopes is : -1

In this question we have two lines:

y= -1/sqrt(3) X

y=sqrt(3) X

so for s=X, t=sqrt(3)x

Distance (s,t) to (0,0) = Radius = 2

4x^2=4

X=1
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