October 13, 2015

Homework Help: Math

Posted by A. on Tuesday, December 4, 2012 at 4:40pm.

I'm doing a bunch of practice finals and I don't know how to approach this problem.

Find a vector a such that a is orthogonal to < 1, 5, 2 > and has length equal to 6.

If I want to find a vector that is orthogonal to <1,5,2>, I must take the cross product?

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