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If x=3i-6j-k, y=i+4j-3k" and "z=3i-4j-12...

If `x=3i-6j-k, y=i+4j-3k" and "z=3i-4j-12k`, then the magnitude of the projection of `x times y` on z is

A

12

B

15

C

14

D

13

Text Solution

Verified by Experts

The correct Answer is:
C
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