Posted by Peaklife on Monday, November 2, 2009 at 4:28am.
I'll start this out, using the determinant rule for vector cross products. You do the last part, and check my work for errors.
A x B =
|i j k|
|1 1 0|
|2 -3 1| = i -j -5k
(AxB) x C =
|i j k|
|1 -1 -5|
|0 4 -3| = 17i + 3j +4k
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