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Vishu
Coordenate problem
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logitech
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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
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
LGTCH
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