Problem 1E: (a) What is the difference between a sequence and a series? (b) What is a convergent series? What is... Problem 2E: Explain what it means to say that n=1an=5. Problem 3E: Calculate the sum of the seriesn=1an whose partial sums are given. 3. sn = 2 3(0.8)n Problem 4E: Calculate the sum of the seriesn=1an whose partial sums are given. 4. sn=n214n2+1 Problem 5E: Calculate the first eight terms of the sequence of partial sums correct to four decimal places. Does... Problem 6E: Calculate the first eight terms of the sequence of partial sums correct to four decimal places. Does... Problem 7E: Calculate the first eight terms of the sequence of partial sums correct to four decimal places. Does... Problem 8E: Calculate the first eight terms of the sequence of partial sums correct to four decimal places. Does... Problem 9E: Find at least 10 partial sums of the series. Graph both the sequence of terms and the sequence of... Problem 10E: Find at least 10 partial sums of the series. Graph both the sequence of terms and the sequence of... Problem 11E: Find at least 10 partial sums of the series. Graph both the sequence of terms and the sequence of... Problem 12E: Find at least 10 partial sums of the series. Graph both the sequence of terms and the sequence of... Problem 13E: Find at least 10 partial sums of the series. Graph both the sequence of terms and the sequence of... Problem 14E: Find at least 10 partial sums of the series. Graph both the sequence of terms and the sequence of... Problem 15E: Let an=2n3n+1 (a) Determine whether {an} is convergent. (b) Determine whether n=1an is convergent. Problem 16E: (a) Explain the difference between i=1naiandj=1naj (b) Explain the difference between... Problem 17E: Determine whether the geometric series is convergent or divergent. If it is convergent, find its... Problem 18E: Determine whether the geometric series is convergent or divergent. If it is convergent, find its... Problem 19E: Determine whether the geometric series is convergent or divergent. If it is convergent, find its... Problem 20E: Determine whether the geometric series is convergent or divergent. If it is convergent, find its... Problem 21E: Determine whether the geometric series is convergent or divergent. If it is convergent, find its... Problem 22E: Determine whether the geometric series is convergent or divergent. If it is convergent, find its... Problem 23E: Determine whether the geometric series is convergent or divergent. If it is convergent, find its... Problem 24E: Determine whether the geometric series is convergent or divergent. If it is convergent, find its... Problem 25E: Determine whether the geometric series is convergent or divergent. If it is convergent, find its... Problem 26E: Determine whether the geometric series is convergent or divergent. If it is convergent, find its... Problem 27E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 27.... Problem 28E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 28.... Problem 29E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 29.... Problem 30E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 30.... Problem 31E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 31.... Problem 32E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 32.... Problem 33E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 33.... Problem 34E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 34.... Problem 35E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 35.... Problem 36E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 36.... Problem 37E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 37.... Problem 38E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 38.... Problem 39E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 39.... Problem 40E Problem 41E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 41.... Problem 42E: Determine whether the series is convergent or divergent. If it is convergent, find its sum. 42.... Problem 43E: Determine whether the series is convergent or divergent by expressing sn as a telescoping sum (as in... Problem 44E: Determine whether the series is convergent or divergent by expressing sn as a telescoping sum (as in... Problem 45E: Determine whether the series is convergent or divergent by expressing sn as a telescoping sum (as in... Problem 46E: Determine whether the series is convergent or divergent by expressing sn as a telescoping sum (as in... Problem 47E: Determine whether the series is convergent or divergent by expressing sn as as a telescoping sum (as... Problem 48E: Determine whether the series is convergent or divergent by expressing sn as a telescoping sum (as in... Problem 49E: Let X = 0.99999 .... (a) Do you think that x 1 or x = 1? (b) Sum a geometric series to find the... Problem 50E Problem 51E: Express the number as a ratio of integers. 51. 0.8=0.8888... Problem 52E: Express the number as a ratio of integers. 52. 0.46=0.46464646... Problem 53E: Express the number as a ratio of integers. 53. 2.516=2.516516516... Problem 54E Problem 55E: Express the number as a ratio of integers. 55. 1.234567 Problem 56E Problem 57E: Find the values of x for which the series converges. Find the sum of the series for those values of... Problem 58E: Find the values of x for which the series converges. Find the sum of the series for those values of... Problem 59E: Find the values of x for which the series converges. Find the sum of the series for those values of... Problem 60E: Find the values of x for which the series converges. Find the sum of the series for those values of... Problem 61E: Find the values of x for which the series converges. Find the sum of the series for those values of... Problem 62E: Find the values of x for which the series converges. Find the sum of the series for those values of... Problem 63E: Find the values of x for which the series converges. Find the sum of the series for those values of... Problem 64E: We have seen that the harmonic series is a divergent series whose terms approach 0. Show that... Problem 67E: If the nth partial sum of a series n=1an is sn=n1n+1 find an. and n=1an Problem 68E: If the nth partial sum of a series n=1an is sn = 3 - n2n, find an and n=1an . Problem 69E: A doctor prescribes a 100-mg antibiotic tablet to be taken every eight hours. Just before each... Problem 70E: A patient is injected with a drug every 12 hours. Immediately before each injection the... Problem 71E: A patient takes 150 mg of a drug at the same time every day. Just before each tablet is taken, 5% of... Problem 72E: After injection of a dose D of insulin, the concentration of insulin in a patients system decays... Problem 73E: When money is spent on goods and services, those who receive the money also spend some of it. The... Problem 74E: A certain ball has the property that each time it falls from a height h onto a hard, level surface,... Problem 75E: Find the value of c if n=2(1+c)n=2 Problem 76E: Find the value of c such that n=0enc=10 Problem 77E Problem 78E: Graph the curves y = xn, 0 x 1, for n = 0, 1, 2, 3, 4, ... on a common screen. By finding the... Problem 79E: The figure shows two circles C and D of radius 1 that touch at P. The line T is a common tangent... Problem 80E Problem 81E: What is wrong with the following calculation?... Problem 82E Problem 83E Problem 84E: If an is divergent and c 0, show that can, is divergent. Problem 85E Problem 86E Problem 87E Problem 88E: The Fibonacci sequence was defined in Section 11.1 by the equations f1=1, f2=1, fn=fn1+fn2 n3 Show... Problem 89E: The Cantor set, named after the German mathematician Georg Cantor (18451918), is constructed as... Problem 91E: Consider the series n=1n/(n+1)!. (a) Find the partial sums s1, s2, s3, and s4. Do you recognize the... Problem 92E: In the figure at the right there are infinitely many circles approaching the vertices of an... format_list_bulleted