A) \[\frac{1}{\sqrt{2}}(-\mathbf{j}+\mathbf{k})\]
B) \[\frac{1}{\sqrt{3}}(-\mathbf{i}-\mathbf{j}-\mathbf{k})\]
C) \[\frac{1}{\sqrt{5}}\,(\mathbf{i}-2\mathbf{j})\]
D) \[\frac{1}{\sqrt{3}}(\mathbf{i}-\mathbf{j}-\mathbf{k})\]
Correct Answer: A
Solution :
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