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+1 vote
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in Vectors by (48.8k points)
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Find the value of λ such that the vectors \(\vec a = 2 \hat i + λ \hat j + \hat k\) and \(\vec b = \hat i + 2 \hat j + 3 \hat k\)  are orthogonal

A. 0
B. 1
C. 3/2
D. -5/2

1 Answer

+2 votes
by (50.2k points)
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Best answer

The correct option is (D).

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