What is the cross product of $< 1, 2, - 4 >$ $<1,2,-4>$ and $< - 1, - 1, 2 >$ $<-1,-1,2>$ ?

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What is the cross product of $< 1, 2, - 4 >$ $<1,2,-4>$ and $< - 1, - 1, 2 >$ $<-1,-1,2>$ ?

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Answer 1 · 2016-03-05T13:46:15

$\to a x \to b = 2 j + k$ $vec a x vec b=2j+k$

Explanation:

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$\to a = < 1, 2, - 4 > \to b = < - 1, - 1, 2 >$ $vec a=<1,2,-4>" " vec b=<-1,-1,2>$
$\to a x \to b = i (4 - 4) - j (2 - 4) + k (- 1 + 2)$ $vec a x vec b=i(4-4)-j(2-4)+k(-1+2)$
$\to a x \to b = 2 j + k$ $vec a x vec b=2j+k$

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What is the cross product of $< 1, 2, - 4 >$ $<1,2,-4>$ and $< - 1, - 1, 2 >$ $<-1,-1,2>$ ?

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Explanation:

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Science

Math

Humanities

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What is the cross product of <1,2,−4><1,2,-4> and <−1,−1,2><-1,-1,2>?

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Explanation:

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What is the cross product of $< 1, 2, - 4 >$ $<1,2,-4>$ and $< - 1, - 1, 2 >$ $<-1,-1,2>$ ?