What is the cross product of $[- 1, - 1, 2]$ $[-1, -1, 2]$ and $[1, - 4, 0]$ $[1, -4, 0]$ ?

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What is the cross product of $[- 1, - 1, 2]$ $[-1, -1, 2]$ and $[1, - 4, 0]$ $[1, -4, 0]$ ?

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Answer 1 · 2016-03-07T18:04:17

$\to a x \to b = 8 i + 2 j + 5 k$ $vec a x vec b=8i+2j+5k$

Explanation:

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$\to a = [- 1, - 1, 2] \to b = [1, - 4, 0]$ $vec a=[-1,-1,2]" "vec b=[1,-4,0]$
$\to a x \to b = i (- 1 \cdot 0 + 4 \cdot 2) - j (- 1 \cdot 0 - 2 \cdot 1) + k (1 \cdot 4 + 1 \cdot 1)$ $vec a x vec b=i(-1*0+4*2)-j(-1*0-2*1)+k(1*4+1*1)$
$\to a x \to b = 8 i + 2 j + 5 k$ $vec a x vec b=8i+2j+5k$

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What is the cross product of $[- 1, - 1, 2]$ $[-1, -1, 2]$ and $[1, - 4, 0]$ $[1, -4, 0]$ ?

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Explanation:

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Science

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What is the cross product of [−1,−1,2][-1, -1, 2] and [1,−4,0][1, -4, 0] ?

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Explanation:

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What is the cross product of $[- 1, - 1, 2]$ $[-1, -1, 2]$ and $[1, - 4, 0]$ $[1, -4, 0]$ ?