Maths - Algebra

6. Let G, K and L be groups and 1 : G - K, v2 : K - L be isomorphisms. Show that vay] : G - L is also an isomorphism defined by (4241) (g) = 42(41(g)), Vg EG. ( Hint: Composition of two bijections is a bijection, so pay also a bijection) on the left and the row element on the right