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The valur of 'lamda' for which the two v...

The valur of `'lamda'` for which the two vectors :
`2 hati - ahtj + 2 hatk and 3 hati + lamda hatj + ahtk` are perpendicular is :

A

2

B

4

C

6

D

8

Text Solution

Verified by Experts

The correct Answer is:
D
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