The angle between the vectors \( \vec{A} \) and \( \vec{B} \) is \( \theta \). The value of the ...

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The angle between the vectors \( \vec{A} \) and \( \vec{B} \) is \( \theta \). The value of the triple product \( \vec{A} \cdot(\vec{B} \times \vec{A}) \) is
(a) \( A^{2} B \)
(b) Zero
(c) \( A^{2} B \sin \theta \)
(d) \( A^{2} B \cos \theta \)
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