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Vectors in three dimensions — Question 138

Original QCE Vault practice · 1 mark

Q138 · Practice questionTechnology-activeComplex familiar1 mark

QUESTION 138

For a=(2,1,0),b=(1,−1,2),∣a×b∣a=(2,1,0), b=(1,-1,2), |a \times b| is
(A)
55
(B)
2929
(C)
29\sqrt{29}
(D)
6\sqrt{6}
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