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Find u×v\mathbf { u } \times \mathbf { v } u=8i5j+3k,v=6i7j3k\mathbf { u } = - 8 \mathbf { i } - 5 \mathbf { j } + 3 \mathbf { k } , \mathbf { v } = - 6 \mathbf { i } - 7 \mathbf { j } - 3 \mathbf { k }

Question 23

Multiple Choice

Find u×v\mathbf { u } \times \mathbf { v } .
u=8i5j+3k,v=6i7j3k\mathbf { u } = - 8 \mathbf { i } - 5 \mathbf { j } + 3 \mathbf { k } , \mathbf { v } = - 6 \mathbf { i } - 7 \mathbf { j } - 3 \mathbf { k }


A) 36i42j+26k36 \mathbf { i } - 42 \mathbf { j } + 26 \mathbf { k }
B) 74
C) 4
D) 36i+42j+26k36 \mathbf { i } + 42 \mathbf { j } + 26 \mathbf { k }
E) 48i+35j9k48 \mathbf { i } + 35 \mathbf { j } - 9 \mathbf { k }

Correct Answer:

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