What is the cross product of $[3, 2, 5]$ $[3,2, 5]$ and $[2, 4, 8]$ $[2, 4, 8]$ ?

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Answer 1 · 2015-12-11T13:23:38

[-4, -14, 8]

$(2 \cdot 8 - 5 \cdot 4) i - (3 \cdot 8 - 5 \cdot 2) j + (3 \cdot 4 - 2 \cdot 2) k$ $(2*8-5*4)i - (3*8-5*2)j+(3*4-2*2)k$
=-4i-14j+8k

What is the cross product of [3,2,5][3,2, 5] and [2,4,8][2, 4, 8] ?