1. [-/0.71 Points] DETAILS OSCALC1 9.2.067. 0/100 Submissions Used Using sigma notation, write the expression as an infinite series. CO 8 CO 8 - 2 4 7=12. [-/0.71 Points] DETAILS OSCALC1 9.2.070. 0/100 Submissions Used Using sigma notation, write the expression as an infinite series. cos(1) + COS N H + COS W / H + COS + 4 7 =13. [-/0.71 Points] DETAILS OSCALC1 9.2.071. 0/100 Submissions Used Compute the first four partial sums S., ..., S, for the series having noth term a starting with n = 1. S = 1 = SA =4. [-/0.71 Points] DETAILS OSCALC1 9.2.073. 0/100 Submissions Used Compute the first four partial sums S., ..., S, for the series having oth term a starting with n = 1. a = sin 2 S = S S 3 = =5. [-/0.71 Points] DETAILS OSCALC1 9.2.079. 0/100 Submissions Used Calculate the first three partial sums of the series. n + 2 n = 1 S = Use the sequence of partial sums to determine whether the series converges or diverges. O converges O diverges6. [-/0.71 Points] DETAILS OSCALC1 9.2.084. 0/100 Submissions Used Suppose that = 1, and E = -1. Find the sum of the indicated series. 7=1 n = 1 E (an - 4b ) 7=17. [-/0.74 Points] DETAILS OSCALC1 9.2.086. 0/100 Submissions Used 00 Suppose that 3_ = 1, that b = -1, that a, = 2, and b, = -3. Find the sum of the indicated series. 7 = 1 n = 1 00 E (52 4 - 60 + 1) 0 =11. [-/0.62 Points] DETAILS OSCALC1 9.2.902.WA.TUT. Use the formula for the sum of a geometric series to find the sum or state that the series diverges. (If the quantity diverges, enter DIVERGES.) + 53 Tutorial2. [-/0.62 Points] DETAILS Which statement best describes the following series? 9+ 9 OLD + + 36 216 O The series diverges and its sum is 54/5. O The series converges and its sum is 54/5. O The series diverges. O The series converges and its sum is -5/54.3. [-/0.62 Points] DETAILS Which statement best describes the following series? 2 - 14 + 98 686 + 4 16 64 O The series converges and its sum is 8/11. O The series diverges. O The series converges and its sum is -11/8. O The series diverges and its sum is 8/11.4. [-10.62 Points] DETAILS Determine whether the following geometric series converges or diverges. If the series converges, give its exact sum. If1e series diverges, enter DIVERGES. i3 (3\" =: n=l 5. [40.62 Points] DETAILS Determine whether the following geometric series converges or diverges. If the series converges, give its exact sum. If the series diverges, enter DIVERGES. 211%)\" =: E. [-10.62 Points] DETAILS Determine whether the following geometric series converges or diverges. If the series converges. give its exact sum. If we series diverges. enter DIVERGES. :12(f1)"'1 =: 1'. [40.62 Points] DETAILS 1Which statement best describes the series 2 % (Tll)\"'1 ? D The series diverges. n O The series converges and its sum is - 112,95. 0 The series diverges and its sum is 53112. O The series converges and its sum is 5f112. 8. [-/0.66 Points] DETAILS OSCALC1 9.2.904.WA.TUT.SA. This question has several parts that must be completed sequentially. Tutorial Exercise Express the number 11.99999... as a ratio of integers. Step 1 of 3 Write 11.9 as a series of fractions. 11.9 = 11 + 0.9 + 0.09 + 0.009 + . . . = 11 + 9 + + + 10 1000 = 11 + 9 1 + 1 + -+ 10 100 00 = 11 + 9 10 This series is ---Select--- Submit Skip (you cannot come back)