Thread: Pleaseeee Helppp! I dont solve it

Let G be a group and Let A,B<=G
|A|+|B|>G
Show that G=AB

Originally Posted by mathemanyak

Let G be a group and Let A,B<=G
|A|+|B|>G
Show that G=AB

we only need to prove that so suppose, on the contrary, that

then: which is impossible! Q.E.D.

but A and B subgorup