7 (Section 11.1) Let an = r" for 0

7 (Section 11.1) Let an = r n for O < r < 1. Use Definition 2 on page 696 to show that limn * m an = O. I often find it helpful to try an example first before trying to prove a general result. Take r 0.5 and e = 0.001 and try to find the N in Definition 2.