Scalar product of vectors \( \mathbf{A}=2 \hat{\mathbf{i}}-3 \hat{\mathbf{j}}+2 \hat{\mathbf{k}}...

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Scalar product of vectors \( \mathbf{A}=2 \hat{\mathbf{i}}-3 \hat{\mathbf{j}}+2 \hat{\mathbf{k}} \) and \( \mathbf{B}=\hat{\mathbf{i}}-\hat{\mathbf{j}}+2 \hat{\mathbf{k}} \) is
(a) 6
(b) 8
(c) 5
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