Two vectors \( \vec{A} \) and \( \vec{B} \) are such that \( \vec{A...

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Two vectors \( \vec{A} \) and \( \vec{B} \) are such that \( \vec{A}+\vec{B}=\vec{A}-\vec{B} \). Then select incorrect atternative
(1) \( \vec{A} \cdot \vec{B}=0 \)
(2) \( \vec{A} \times \vec{B}=\overrightarrow{0} \)
(3) \( \vec{A}=\overrightarrow{0} \)
(4) \( \vec{B}=\overrightarrow{0} \)
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