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Which of the following is not true ? If ...

Which of the following is not true ? If `vec(A) = 3hat(i) + 4hat(j)` and `vec(B) = 6hat(i) + 8hat(j)` where A and B are the magnitude of `vec(A)` and `vec(B)` ?

A

`vec(A) xx vec(B) = 0`

B

`(|vec(A)|)/(|vec(B)|) = (1)/(2)`

C

`vec(A).vec(B) = 48`

D

`A = 5`

Text Solution

Verified by Experts

The correct Answer is:
C
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