(Solved): Let $L = \{w \in \{a,b\}^* \ | \ \#a(w) \text{ is odd and } \#b(w) \text{ is even}\}$.
Show that $L^ ...
Let $L = \{w \in \{a,b\}^* \ | \ \#a(w) \text{ is odd and } \#b(w) \text{ is even}\}$.
Show that $L^*$ is the set of strings where the number of b's is even.
I know that L*=\cup