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Moderate

Simplifying Radical Expressions

SATMAT-Y7X0YN

Which of the following is equivalent to $ \sqrt [ 3 ]{ { x }^{ m }{ y }^{ n } } +{ x }^{ \frac { m }{ 3 } } $?

A

$ { x }^{ 3m }{ y }^{ 3n }+{ x }^{ \frac { m }{ 3 } } $

B

$ { 2x }^{ \frac { m }{ 3 } }+{ y }^{ \frac { n }{ 3 } } $

C

$ { x }^{ \frac { m }{ 3 } }\left( { y }^{ \frac { n }{ 3 } }+1 \right) $

D

$ { x }^{ \frac { 2m }{ 3 } }+{ y }^{ \frac { n }{ 3 } } $