1 n2+5 00 [2 marks] a) Use the Comparison Test to show that 2 n=1 converges. [5 marks] b) If we use the first 20 terms to approximate the sum of this series, what will be the upper bound on the error? Please write the solution this question, take a photo of it, then upload it in whatever file format before moving on to the next question (not a folder/zipped file/rar archive maximum 1 file [if you have more than 1 page, please use CamScanner or AdobeScan to consolidate into one pdf file]). Show all work clearly and in order. To obtain maximum marks, your answer should be in a form that another student could understand without undue effort. A poorly expressed but correct result is not sufficient. *****DoubIe-check your answer. Once you move on to the next question, YOU WILL NOT BE ABLE RETURN TO to this question.***** *** Please check that the file you uploaded is the correct file, as there will be no way to resubmit it once you've moved on to the next question. ***