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May 30, 2015

Homework Help: math

Posted by Anonymous on Saturday, March 29, 2008 at 2:15pm.

Calculate the magnitude of a when a = (2, 3, -2). Find (1/|a|)xa. Is it a unit vector.

I calculated the |a| = sqrt17. I don't know how to determine if it's a unit vector or not?

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