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If vec(A) = 7hat(i) + 2hat(j) - 3hat(k)...

If `vec(A) = 7hat(i) + 2hat(j) - 3hat(k) and vec(B) = hat(i) + hat(j) + 2chat(k)` are perpendicular vectors, the value of c is

A

`-1.5`

B

1.5

C

3

D

zero

Text Solution

Verified by Experts

The correct Answer is:
B
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