Homework Help: math

Posted by Edwin on Wednesday, March 24, 2010 at 1:35pm.

Find the vector eqn which passes through (1,1,2) and is parallel to the vector which is perpendicular to both 2i+2j-k and -3i+2j+k

math - Reiny, Wednesday, March 24, 2010 at 4:25pm
take the cross-product to (2,2,-1) and(-3,2,1)
which is (4,1,10)

So your line must have that directions

so the vector equation is

_
r = (1,1,2) + k(4,1,10)

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