What is the cross product of $<5, 2 ,5 >$ and $<4 ,7 ,3 >$ ?

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Answer 1 · 2016-04-17T06:57:26

$A X B=-29 hat i+5 hat j+27 hat k$

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$A X B=hat i(2*3-5*7)-hat j(5*3-5*4)+hat k(5*7-2*4)$

$A X B=hat i(6-35)-hat j(15-20)+hat k(35-8)$

$A X B=-29 hat i+5 hat j+27 hat k$

What is the cross product of <5, 2 ,5 ><5, 2 ,5 > and <4 ,7 ,3 ><4 ,7 ,3 >?