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Find the value of lambda such that the v...

Find the value of `lambda` such that the vectors`vec a = 2i + lambda j+ k, vec b = i + 2j +3k` are orthogonal

A

0

B

1

C

44230

D

-5/2

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The correct Answer is:
D
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HIMALAYA PUBLICATION-VECTORS AND THEIR APPLICATIONS-QUESTION BANK
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