MA 126 Midterm: 126Fall2014Test4
Document Summary
Closed book - calculators and one index card are allowed! Clearly write your answer (only) in the space provided after each question. You do not need not to show your work for this part of the test. Limited partial credit is awarded for this part of the test! Determine whether the sequence an = limit. n + 1 n + 2 converges or diverges. 5 n(n + 1) is convergent or divergent. Determine whether the geometric series convergent, nd its sum. Xn=1 ( 1)n n 1 n + 3 is convergent or divergent. Use the integral test to determine whether the in nite series divergent. [you are not required to show your work here!] Determine whether the alternating series vergent, or conditionally convergent. (be speci c here!) Answer: . ( 1)n n2 + 2 n3 + 2 is divergent, absolutely con- You must show your work on this part of the test to get full credit.
