What is the cross product of <5, 2 ,5 ><5,2,5> and <4 ,1 ,3 ><4,1,3>?

1 Answer
ali ergin
Apr 14, 2016

A X B=i+5j-3kAXB=i+5j−3k

Explanation:

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A X B=i(2*3-5*1)-j(5*3-5*4)+k(5*1-2*4)AXB=i(2⋅3−5⋅1)−j(5⋅3−5⋅4)+k(5⋅1−2⋅4)
A X B=i(6-5)-j(15-20)+k(5-8)AXB=i(6−5)−j(15−20)+k(5−8)

A X B=i+5j-3kAXB=i+5j−3k

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