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If veca=hati+hatj+hatk,vecb=2hati+xhatj+...

If `veca=hati+hatj+hatk,vecb=2hati+xhatj+hatk,vecc=hati-hatj+4hatk` and `veca.(vecbxxvecc)=70`, then x is equal to

A

5

B

7

C

26

D

0

Text Solution

Verified by Experts

The correct Answer is:
C
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