Unit vector in the direction of the resultant of vectors \( \mathbf{A}=-3 \hat{\mathbf{i}}-2 \ha...
Unit vector in the direction of the resultant of vectors \( \mathbf{A}=-3 \hat{\mathbf{i}}-2 \hat{\mathbf{j}}-3 \hat{\mathbf{k}} \) and \( \mathbf{B}=2 \hat{\mathbf{i}}+4 \hat{\mathbf{j}}+6 \hat{\mathbf{k}} \) is
(a) \( \frac{-3 \hat{\mathbf{i}}+2 \hat{\mathbf{j}}-3 \hat{\mathbf{k}}}{\sqrt{14}} \)
(b) \( -\hat{\mathbf{i}}+2 \hat{\mathbf{j}}+3 \hat{\mathbf{k}} \)
(c) \( \frac{-\hat{\mathbf{i}}+2 \hat{\mathbf{j}}+3 \hat{\mathbf{k}}}{\sqrt{14}} \)
(d) \( -2 \hat{\mathbf{i}}-4 \hat{\mathbf{j}}+8 \hat{\mathbf{k}} \)
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