- #1

sabbagh80

- 38

- 0

Can every body solve this problem in terms of [itex] a [/itex] and [itex] b [/itex].

[itex]e^{-(a+b)}\sum _{n=0}^{\infty} \frac{a^n}{n!} \sum_{m=0}^{n}\frac{b^m}{m!}[/itex]

Thanks in advance for your participation.