Wednesday

April 23, 2014

April 23, 2014

Posted by **christina** on Saturday, September 14, 2013 at 12:01am.

L1: r(t)= (-5 + 3t)i + (1+t)j

L2= r(s) = (1+2s)i + (5-6s)j

I know they are perpendicular,

and the system of equations I think is

t= 4/5

s =8/5

so how do I find the point of intersection

- math ASAP -
**Graham**, Saturday, September 14, 2013 at 5:17amFind: r when r(t) = r(s)

By equating the scalors of the i and j components to solve simultaneous equations in t and s:

-5 + 3t = 1 + 2s

1 + t = 5 - 6s

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