MCQ
$|\vec{a}+\vec{b}|=|\vec{a}-\vec{b}| \Rightarrow$
  • A
    $|\vec{a}|=|\vec{b}|$
  • B
    $\vec{a} \| \vec{b}$
  • $\vec{a} \perp \vec{b}$
  • D
    $|\vec{a}|=0$

Answer

Correct option: C.
$\vec{a} \perp \vec{b}$
C

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