# Some Mistakes can give rise to problem

**Calculus**Level 5

\[\large{\frac { 2 }{ e } +\frac { 4 }{ 3{ e }^{ 3 } } +\frac { 6 }{ 5{ e }^{ 5 } } +.......=?}\]

This question was created due to misinterpretation of Infinite Summation Practice -3

**Bonus**:-Generalize for

\[\large{\sum _{ n=1 }^{ m }{ \frac { 2n }{ \left( 2n-1 \right) { e }^{ \left( 2n-1 \right) } } } }\]