What will be the projection of vector $\overrightarrow A = \widehat i + \widehat j + \widehat k$ on vector $\overrightarrow B = \widehat i + \widehat j$ ?
$\sqrt 2 (\widehat i + \widehat j + \widehat k)$
$(\widehat i + \widehat j)$
$\sqrt 2 (\widehat i + \widehat j)$
$2(\widehat i + \widehat j + \widehat k)$
Solution
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