Projection of vector $\vec A$ on $\vec B$ is

  • A

    $\mathop A\limits^ \to .\mathop B\limits^ \to $

  • B

    $\mathop A\limits^ \to .\hat B$

  • C

    $\mathop B\limits^ \to .\mathop A\limits^ \to $

  • D

    $\hat A.\hat B$

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