Which of the following quantities is/are not independent of the cho...

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Which of the following quantities is/are not independent of the choice of the co-ordinate
\( \mathrm{P} \) axes?

W
(1) \( \vec{a}+\vec{b} \)
(2) \( |\vec{a}+\vec{b}-\vec{c}| \)
(3) angle between \( \vec{a} \& \vec{b} \)
(4) \( a_{x}+b_{y} \)
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