What is the cross product of $< - 3, 5, 8 >$ $<-3,5,8 >$ and $< - 9, 3, 1 >$ $<-9,3,1>$ ?

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What is the cross product of $< - 3, 5, 8 >$ $<-3,5,8 >$ and $< - 9, 3, 1 >$ $<-9,3,1>$ ?

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Answer 1 · 2016-03-05T12:03:08

$\to a x \to b = - 19 i - 69 j + 36 k$ $vec a x vec b=-19i-69j+36k$

Explanation:

enter image source here
$\to a = < - 3, 5, 8 > \to b = < - 9, 3, 1 >$ $vec a=<-3,5,8>" "vec b=<-9,3,1>$
$\to a x \to b = i (5 - 24) - j (- 3 + 72) + k (- 9 + 45)$ $vec a x vec b=i(5-24)-j(-3+72)+k(-9+45)$
$\to a x \to b = - 19 i - 69 j + 36 k$ $vec a x vec b=-19i-69j+36k$

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What is the cross product of $< - 3, 5, 8 >$ $<-3,5,8 >$ and $< - 9, 3, 1 >$ $<-9,3,1>$ ?

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Explanation:

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What is the cross product of <−3,5,8><-3,5,8 > and <−9,3,1><-9,3,1>?

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What is the cross product of $< - 3, 5, 8 >$ $<-3,5,8 >$ and $< - 9, 3, 1 >$ $<-9,3,1>$ ?