Change the Exponential Expression to a Radical $\left( x ^ { 3 } + y ^ { 4 } \right) ^ { \frac { 1 } { 2 } }$

Essay

Change the exponential expression to a radical. $\left( x ^ { 3 } + y ^ { 4 } \right) ^ { \frac { 1 } { 2 } }$