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Find the dot product of two vectors vec(...

Find the dot product of two vectors `vec(A)=3hat(i)+2hat(j)-4hat(k)` and `vec(B)=2hat(i)-3hat(j)-6hat(k)`.

A

12

B

30

C

24

D

56

Text Solution

Verified by Experts

The correct Answer is:
C
`vec(A).vec(B)=3xx2+2xx(-3)+(-4)xx(-6)=24`
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