Cross-Product

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Added by Jason Cowan on November 16, 1999 at 21:50:35:

where a and b are vectors
a=(a1,a2,a3)
b=(b1,b2,b3)
aXb=(a2b3-a3b2, a3b1-a1b3, a1b2-a2b1)
Finds a vector perpindicular to a and b.