A) \[\frac{1}{\sqrt{3}},\frac{-1}{\sqrt{3}}\]
B) \[\frac{1}{\sqrt{15}},\frac{-\,1}{\sqrt{15}}\]
C) \[\frac{2}{\sqrt{15}},\frac{-\,2}{\sqrt{15}}\]
D) \[\frac{1}{\sqrt{2}},\frac{-\,1}{\sqrt{2}}\]
E) None of these
Correct Answer: B
Solution :
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