Exercises (1. (i) how many edges (ii) how many graphs edges? how mnany ways cant chose (iii) how many graphs are there altogether on vertex-set {1, . ., n? chot trees) [a] are there in the complete graph k? are there with vertex-set 1,. . , n} and with precisely m prom the edgs f o [h, a] [h. a] how many soscts are there ol he setof edcas rts siy ns