The sum of the rational terms in the binomial expansion of $\left( 2 ^ { \frac { 1 } { 2 } } + 3 ^ { \frac { 1 } { 5 } } \right) ^ { 10 }$ is :
(1) 25
(2) 32
(3) 9
(4) 41
The sum of the rational terms in the binomial expansion of $\left( 2 ^ { \frac { 1 } { 2 } } + 3 ^ { \frac { 1 } { 5 } } \right) ^ { 10 }$ is :\\
(1) 25\\
(2) 32\\
(3) 9\\
(4) 41