Q)
If \( \overrightarrow a = \hat i + \hat j + \hat k \: and \: \overrightarrow b = \hat j - \hat k \) find a vector \( \overrightarrow c \) such that \( \overrightarrow a\) x \( \overrightarrow c = \overrightarrow b \) and \( \overrightarrow a . \overrightarrow c = 3\)
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