question_answer

Sum of n terms of the series \[{{1}^{3}}+{{3}^{3}}+{{5}^{3}}+{{7}^{3}}+........\] is equal to _______.

A)  \[{{n}^{3}}\,(n-1)\]                

B)  \[{{n}^{2}}\,(2{{n}^{2}}-1)\]

C)  \[4{{n}^{2}}+n\]                   

D)  \[{{n}^{2}}\,(2{{n}^{2}}+1)\]

E)  None of these