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Vectors in three dimensions — Question 37

Original QCE Vault practice · 1 mark

Q37 · Practice questionSimple familiar1 mark

QUESTION 37

If a=(1,2,0)\mathbf a=(1,2,0) and b=(2,0,1)\mathbf b=(2,0,1) form adjacent sides of a parallelogram, its area is
(A)
21\sqrt{21}
(B)
2121
(C)
17\sqrt{17}
(D)
55
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