If $\vec P = \vec Q$ then which of the following is NOT correct
$\hat P = \hat Q$
$|\,\vec P\,|\, = \,|\,\vec Q\,|$
$P\hat Q = Q\hat P$
$\vec P + \vec Q = \hat P + \hat Q$
If $\vec P = \vec Q$ then which of the following is NOT correct
$\vec P + \vec Q = P\hat P + Q\hat Q$
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