Two vector \( A \) and \( B \) have equal magnitude. Then the \( \m...

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Two vector \( A \) and \( B \) have equal magnitude. Then the
\( \mathrm{P} \) vectors \( A+B \) is perpendicular to

W.
(A) \( A \times B \)
(B) \( \quad A-B \)
(C) \( 3 \mathrm{~A}-3 \mathrm{~B} \)
(D) All of these
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