question_answer

Evaluate: \[{{\left[ \mathbf{1}\text{ }+\text{ }\mathbf{8}\text{ }+\text{ }\mathbf{27}\text{ }+\text{ }\mathbf{64}\text{ }+\text{ }\mathbf{125}\text{ }+\text{ }\mathbf{216}\text{ }+\text{ }\mathbf{343} \right]}^{\mathbf{3/4}}}\]

A) \[34\sqrt{3}\]

B)  \[56\sqrt{7}\]

C)  \[28\sqrt{7}\]

D)  \[34\sqrt{7}\]

E)  None of these