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IF bar a = hati + hatj + hatk , ba...

IF ` bar a = hati + hatj + hatk , bar b = 2 hati + lamda hatj +hatk , bar c = hati - hatj +4hatk and bar a .(barb xxbarc)=10` then `lamda` is equal to

A

6

B

7

C

9

D

10

Text Solution

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The correct Answer is:
A
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