What is the value of λ for which the vectors \(3\hat i + 4\hat j - \h – McqOptions

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1.	What is the value of λ for which the vectors \(3\hat i + 4\hat j - \hat k\) and \(- 2\hat i + \lambda \hat j + 10\hat k\) are perpendicular?
A.	1
B.	2
C.	3
D.	4
Answer» E.

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