Problems for friday 24/4: Chapter ¡­

Problems for friday 24/4:

Chapter 2.1: 14,16,17,18,19.

Hint to 14: First prove that A is generated by two elements. Then change these generators into two generators with manageable relations (Divide into cases) - or use the classification of abelian groups generated by two elements, and use that we know something about the order of these elements.