(a) Use Theorem 9.2.1 to explain why "-1 +()n-1) is convergent and to find the sum. Hint: Notice On-1 is geometric; the
Posted: Tue May 10, 2022 9:23 pm
(a) Use Theorem 9.2.1 to explain why "-1 +()n-1) is convergent and to find the sum. Hint: Notice On-1 is geometric; the first term is a = 1 and the common ratio = 3. n1 n=1 n (b) Use Theorem 9.2.3 to explain why n+1 n=1 diverges. (c) Use (b) and Theorem 9.2.4 to explain why 5n n +1 diverges.