${n^n}{\left( {\frac{{n + 1}}{2}} \right)^{2n}}$ is
${n^n}{\left( {\frac{{n + 1}}{2}} \right)^{2n}}$ is
- A
Less than ${\left( {\frac{{n + 1}}{2}} \right)^3}$
- B
Greater than ${\left( {\frac{{n + 1}}{2}} \right)^3}$
- C
Greater than ${(n!)^3}$
- D
$(b)$ and $(c)$ both
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