A) \[a=\frac{3R}{{{2}^{{}^{1}/{}_{4}}}}\]
B) \[a=R/\sqrt{3}\]
C) \[a={{8}^{-1/4}}R\]
D) \[a={{2}^{-1/4}}R\]
Correct Answer: C
Solution :
[c] ![]() |
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