First slide

Vectors

Question

If $\vec{A} = \vec{B}$ then which· of the following is not correct?

Easy

A

$\hat{A} = \hat{B}$
B

$| A | = | B |$
C

$A \hat{B} = B \hat{A}$
D

$A + B = \hat{A} + \hat{B}$

Solution

$\hat{A} a n d \hat{B} a r e u n i t v e c t o r s o f m a g n i t u d e 1$

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