2.99 See Answer

Question: Use the integral test to determine whether


Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.)
∑k=1∞ 1/e2k+1


> The hyperbolic sine of x is defined by sinh x = ½ (ex - e-x). Repeat parts (a) and (b) of Exercise 23 for sinh x. Exercise 23: The hyperbolic cosine of x, denoted by cosh x, is defined by cosh x = ½ (ex + e-x). This function occurs often in physics and

> The hyperbolic cosine of x, denoted by cosh x, is defined by cosh x = ½ (ex + e-x). This function occurs often in physics and probability theory. The graph of y = cosh x is called a catenary. (a) Use differentiation and the definition of a Taylor series

> Show that ln [(1 + x)/(1 – x)] = 2x + 2/3 x3 + 2/5 x5 + 2/7 x7 + … , | x | < 1. This series converges much more quickly than the series for ln(1 - x) in Example 3, particularly for x close to zero. The series gives a formula for ln y, where y is any numb

> Find the Taylor series of xex2 at x = 0

> Use the second Taylor polynomial of f (x) = √x at x = 9 to estimate √9.3.

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Determine the third and fourth Taylor polynomials of x3 + 3x - 1 at x = -1.

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function. Use suitable operations (differentiation, substitution, etc.) on the Taylor series at x = 0 of 1/(1 – x), ex, or cos x. These series are derived in Examples 1 and 2 and Check Your Understanding Probl

> Find the Taylor series at x = 0 of the given function by computing three or four derivatives and using the definition of the Taylor series. (1 + x)3

> Find the Taylor series at x = 0 of the given function by computing three or four derivatives and using the definition of the Taylor series. √(1 + x)

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=1∞ 5/k3/2

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=1∞ 3/√k

> Determine the third and fourth Taylor polynomials of cos x at x = π.

> Use Exercise 30 to show that the series ∑k=1∞ 3/k2 is convergent. Then, use the comparison test to show that the series ∑k=1∞ e1/k/k2 is convergent. Exercise 30: Let ∑k=1∞ ak be a convergent series with sum S, and let c be a constant. Then, ∑k=2∞ cak is

> Use Exercise 29 to show that the series ∑k=0∞ (8k + 9k)/10k is convergent, and determine its sum. Exercise 29: The following property is true for any two series (with possibly some negative terms): Let ∑k=1∞ ak and ∑k=1∞ bk be convergent series whose su

> Let ∑k=1∞ ak be a convergent series with sum S, and let c be a constant. Then, ∑k=2∞ cak is a convergent series whose sum is c * S. Make a geometric picture to illustrate why this is true when c = 2 and the terms ak are all positive.

> The following property is true for any two series (with possibly some negative terms): Let ∑k=1∞ ak and ∑k=1∞ bk be convergent series whose sums are S and T, respectively. Then, ∑k=1∞ (ak + bk) is a convergent series whose sum is S + T. Make a geometric

> Can the comparison test be used with a ∑k=1∞ 1/(k2 ln k) and ∑k=2∞ 1/k2 to deduce anything about the first series?

> Can the comparison test be used with ∑k=2∞ 1/(k ln k) and ∑k=2∞ 1/k to deduce anything about the first series?

> Use the comparison test to determine whether the infinite series is convergent or divergent. ∑k=0∞ 1/(3/4)k + (5/4)k [Compare with ∑k=0∞ (3/4)-k or ∑k=0∞ (5/4)-k.]

> Use the comparison test to determine whether the infinite series is convergent or divergent. ∑k=1∞ 1/5k cos2 (kπ/4) [Compare with ∑k=1∞ 1/5k.]

> Use the comparison test to determine whether the infinite series is convergent or divergent. ∑k=1∞ 1/k3k [Compare with ∑k=1∞ 1/3k.]

> Use the comparison test to determine whether the infinite series is convergent or divergent. ∑k=1∞ 1/(2k + k) [Compare with ∑k=1∞ 1/2k.]

> Determine the fourth Taylor polynomial of ln x at x = 1.

> Use the comparison test to determine whether the infinite series is convergent or divergent. ∑k=2∞ 1/√(k2 – 1) [Compare with ∑k=2∞ 1/k.]

> Use the comparison test to determine whether the infinite series is convergent or divergent. ∑k=2∞ 1/(k2 + 5) [Compare with ∑k=2∞ 1/k2.]

> Is the series a ∑k=1∞ 3k/4k convergent? What is the easiest way to answer this question? Can you tell if ∫1∞3x/4x dx is convergent?

> It can be shown that lim b → ∞ be-b = 0. Use this fact and the integral test to show that a ∑k=1∞ k ek is convergent.

> Use the integral test to determine if a ∑k=1∞ e1/k k2 is convergent. Show that the hypotheses of the integral test are satisfied.

> It can be shown that ∫0∞ 3/(9 + x2) dx is convergent. Use this fact to show that an appropriate infinite series converges. Give the series, and show that the hypotheses of the integral test are satisfied.

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=2∞ (k + 1)/(k2 + 2k + 1)2

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=1∞ (2k + 1)/(k2 + k + 2)

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=1∞ k-3/4

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=1∞ ke-k2

> Determine the third Taylor polynomial of 1/(5 – x) at x = 4.

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=1∞ e3-k

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=1∞ 1/(3k)2

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=2∞ 1/k(ln k)2

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=1∞ 1/(2k + 1)3

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=2∞ k/(k2 + 1)3/2

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=2∞ 1/k√(ln k)

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=1∞ 2/(5k – 1)

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=0∞ 7/(k + 100)

> Use the integral test to determine whether the infinite series is convergent or divergent. (You may assume that the hypotheses of the integral test are satisfied.) ∑k=2 ∞ 1/(k - 1)3

> Use a second Taylor polynomial at x = 0 to estimate the area under the curve y = √(cos x) from x = -1 to x = 1. (The exact answer to three decimal places is 1.828.)

> Determine the sums of the following geometric series when they are convergent. 1 + 1/6 + 1/62 + 1/63 + 1/64 …

> Convince yourself that the equation is correct by summing up the first 999 terms of the infinite series and comparing the sum with the value on the right. ∑x=1 ∞ (-1)x+1 / x = ln 2

> Convince yourself that the equation is correct by summing up the first 999 terms of the infinite series and comparing the sum with the value on the right. ∑x=1 ∞ 1/x2 = π2/6

> The sum of the first n odd numbers is n2; that is, ∑x=1 n (2x - 1) = n2. Verify this formula for n = 5, 10, and 25.

> Verify the formula ∑ x=1 n x = n(n + 1) / 2 for n = 10, 50, and 100.

> The calculator screen computes a partial sum of an infinite series. Write out the first five terms of the series and determine the exact value of the infinite series.

> The calculator screen computes a partial sum of an infinite series. Write out the first five terms of the series and determine the exact value of the infinite series.

> What is the exact value of the infinite geometric series whose partial sum appears at the second entry in Fig. 2? Figure 2:

> What is the exact value of the infinite geometric series whose partial sum appears at the first entry in Fig. 3? Figure 3:

> Show that the infinite series 1 + ½ + 1/3 + ¼ + 1/5 + … diverges.

> Use a second Taylor polynomial at x = 0 to estimate the area under the curve y = ln(1 + x2) from x = 0 to x = 1/2.

> Determine the third Taylor polynomial of the given function at x = 0. f (x) = 1/(x + 2)

> What is routing?

> How does TCP/IP perform address resolution from IP addresses into data link layer addresses?

> How does TCP/IP perform address resolution from URLs into network layer addresses?

> What is address resolution?

> What benefits and problems does dynamic addressing provide?

> What does the transport layer do?

> Briefly define noise.

> Is there any difference in the error rates of lower-speed lines and higher-speed lines?

> Errors normally appear in _____, which is when more than 1 data bit is changed by the error-causing condition.

> Define two fundamental types of errors.

> What are the benefits of cloud computing?

> Which is better, controlled access or contention? Explain.

> Compare and contrast roll-call polling, hub polling (or token passing), and contention.

> Under what conditions is media access control unimportant?

> Show how the word “HI” would be sent using asynchronous transmission using even parity (make assumptions about the bit patterns needed). Show how it would be sent using Ethernet.

> What media access control technique does your class use?

> Are large frame sizes better than small frame sizes? Explain.

> Under what conditions does a data link layer protocol need an address?

> Are stop bits necessary in asynchronous transmission? Explain by using a diagram.

> How do information bits differ from overhead bits?

> What is transmission efficiency?

> How does a thin client differ from a thick client?

> Describe the frame layouts for SDLC, Ethernet, and PPP.

> Which is the simplest (least sophisticated) protocol described in this chapter?

> What is media access control, and why is it important?

> Briefly describe how continuous ARQ works.

> Under what circumstances is forward error correction desirable?

> How does forward error-correction work? How is it different from other error-correction methods?

> How does CRC work?

2.99

See Answer