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#1

$Old$ June 26th, 2009, 12:19 PM

mj.alawami $mj.alawami is offline$

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$Question$ Anayltic geometry Q2

Find the distance between parallel lines between the given pairs
$3x-y-6=0 ,3x-y-8=0$

Attempt :
Using the distance formula at orgin (0,0)
$d1=\frac{6}{\sqrt{10}} ,d2=\frac{8}{\sqrt{10}}$
Since they are both positive
$|\frac{6}{\sqrt{10}} -\frac{8}{\sqrt{10}} |=\frac{\sqrt{10}}{5}$

Am I correct?
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#2

$Old$ June 26th, 2009, 12:39 PM

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