a) Write out the first few terms of the series to show how the series starts. Then find the sum of the series. 1 Σ+ (-1)" 5" n=0
b) Use the nth-Term Test for divergence to show that the series is divergent, or state that the test is inconclusive. n n² + 3 n=1
c) Find the sum of the series. 6 (2n-1)(2n + 1) n=1