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1 (10 pts) Consider the sequence {anny where a, = tan' where a, = tan '-...
1. Consider the sequence (an) with an = Vn2 + n - n, n = 1,2,3,,.......
1. Consider the sequence (an) with an = Vn2 + n - n, n = 1,2,3,,.... 1.1) Prove that (an) is an increasing sequence. 1.2) Prove that (an) has an upper bound, and therefore has a limit a 1.3) Find a, the limit of an when n + . 1.4) Using Definition 2.2.3 to prove lim an = a. n->00
a and an+1= 5an +3 for any natural (Total 5+10= 15 pts) 4. For a positive real number a, consider the sequence (an)1 de...
a and an+1= 5an +3 for any natural (Total 5+10= 15 pts) 4. For a positive real number a, consider the sequence (an)1 defined by a1 number n. Answer each queestion. (a) Without using e-N argument, show that the sequence (an)1 converges. (5 pts) (b) Using definition of limits, i.e., using e-N argument, show that the sequence (an)1 is a convergent sequence. If it converges, determine also the limit (10 pts)
a and an+1= 5an +3 for any natural (Total...
Q2 (10 points) Vn2 + 4 – n, n E N. 2. Let (an) neN be...
Q2 (10 points) Vn2 + 4 – n, n E N. 2. Let (an) neN be the sequence with a, (a) Prove that lim,→0 an 0. lim,-00 bn, and prove the limit exists, by using the definition. (b) Let bn = n an . Find L =
clean handwriting please Problem 1. Let {r,} be a sequence and L be a real number....
clean handwriting please
Problem 1. Let {r,} be a sequence and L be a real number. Give the definition that lim, In L. Prove from the definition of the limit, that 2n2 + 1 lim nx 4n? - n + 1 %3D by completing the following steps. (a) Using the fact that 1 <n < n?, estimate from above the expression 2n? +1 4n2 – n+1 b) Given e > 0 find a threshold N, so that for all n...
Consider the sequence: -2/3, 2/9, -2/27, 2/81, -2/243……
Consider the sequence: -2/3, 2/9, -2/27, 2/81, -2/243……Part 1: A Formula Find a formula for the nth term of this sequence:an = _______ ∑Part 2: Limit of the Sequence Find the limit of the sequence: lim(n->∞) an = _______ ∑Remember: INF, -INF, DNE are also possible answers. Part 3: Converge or Diverge? Does this sequence converge or diverge?
2. Exercise 2. Consider the sequence (xn)n≥1 defined by xn = Xn k=1 cos(k) k +...
2.
Exercise 2. Consider the sequence (xn)n≥1 defined by xn = Xn k=1
cos(k) k + n2 = cos(1) 1 + n2 + cos(2) 2 + n2 + · · · + cos(n) n +
n2 . (a) Use the triangle inequality to prove that |xn| ≤ n 1 + n2
for all n ≥ 1. (b) Use (a) and the -definition of limit to show
that limn→∞ xn = 0.
Exercise 2. Consider the sequence (In)n> defined by cos(k)...
Question 1 please 1. True or false: (15 pts) {(-1)" tan (TC/2-3/n} is oscillating. (b) 1/2-1/4+1/6-1/8+1/10-........
Question 1 please
1. True or false: (15 pts) {(-1)" tan (TC/2-3/n} is oscillating. (b) 1/2-1/4+1/6-1/8+1/10-..... converges conditionally. A convergent sequence is always Cauchy. {1/n) is a Cauchy sequence. (1-3)-(1-31/2)+(1-313)-(1-314 )+.....diverges. 2. Find limit sup and limit inf of the following sequences: (10 pts) (a){c+4) sin ng (b) {(1+m+)"} Limsup= limsup= Lmitinf= liminf= 3. Prove that either the following sequence has a limit or not. (20 pts) (a) 2n (b) n2+4n+2 n+6vn n-1
All of question 2 please 1. True or false: (15 pts) {(-1)" tan (TC/2-3/n} is oscillating....
All of question 2 please
1. True or false: (15 pts) {(-1)" tan (TC/2-3/n} is oscillating. (b) 1/2-1/4+1/6-1/8+1/10-..... converges conditionally. A convergent sequence is always Cauchy. {1/n) is a Cauchy sequence. (1-3)-(1-31/2)+(1-313)-(1-314 )+.....diverges. 2. Find limit sup and limit inf of the following sequences: (10 pts) (a){c+4) sin ng (b) {(1+m+)"} Limsup= limsup= Lmitinf= liminf= 3. Prove that either the following sequence has a limit or not. (20 pts) (a) 2n (b) n2+4n+2 n+6vn n-1
PLEASE ANSWER ALL! SHOWS STEPS 2. (a) Prove by using the definition of convergence only, without using limit theo- (b) Prove by using the definition of continuity, or by using the є_ó property, that 3...
PLEASE ANSWER ALL! SHOWS STEPS
2. (a) Prove by using the definition of convergence only, without using limit theo- (b) Prove by using the definition of continuity, or by using the є_ó property, that 3. Let f be a twice differentiable function defined on the closed interval [0, 1]. Suppose rems, that if (S) is a sequence converging to s, then lim, 10 2 f (x) is a continuous function on R r,s,t e [0,1] are defined so that r...
Question 1 1. [5 pts] Give a complete definition of lim f(x) = -oo if... 2....
Question 1
1. [5 pts] Give a complete definition of lim f(x) = -oo if... 2. [25 pts] Give an example of each of the following, or state one or more theorems which show that such an example is impossible: a. A countable collection of nonempty closed proper subsets of R whose union is open. b. A nonempty bounded subset of R with no cluster points. c. A convergent sequence with two convergent subsequences with distinct limits. d. A function...
1. Consider the sequence (an) with an = Vn2 + n - n, n = 1,2,3,,.... 1.1) Prove that (an) is an increasing sequence. 1.2) Prove that (an) has an upper bound, and therefore has a limit a 1.3) Find a, the limit of an when n + . 1.4) Using Definition 2.2.3 to prove lim an = a. n->00
a and an+1= 5an +3 for any natural (Total 5+10= 15 pts) 4. For a positive real number a, consider the sequence (an)1 defined by a1 number n. Answer each queestion. (a) Without using e-N argument, show that the sequence (an)1 converges. (5 pts) (b) Using definition of limits, i.e., using e-N argument, show that the sequence (an)1 is a convergent sequence. If it converges, determine also the limit (10 pts)
a and an+1= 5an +3 for any natural (Total...
Q2 (10 points) Vn2 + 4 – n, n E N. 2. Let (an) neN be the sequence with a, (a) Prove that lim,→0 an 0. lim,-00 bn, and prove the limit exists, by using the definition. (b) Let bn = n an . Find L =
clean handwriting please
Problem 1. Let {r,} be a sequence and L be a real number. Give the definition that lim, In L. Prove from the definition of the limit, that 2n2 + 1 lim nx 4n? - n + 1 %3D by completing the following steps. (a) Using the fact that 1 <n < n?, estimate from above the expression 2n? +1 4n2 – n+1 b) Given e > 0 find a threshold N, so that for all n...
2.
Exercise 2. Consider the sequence (xn)n≥1 defined by xn = Xn k=1
cos(k) k + n2 = cos(1) 1 + n2 + cos(2) 2 + n2 + · · · + cos(n) n +
n2 . (a) Use the triangle inequality to prove that |xn| ≤ n 1 + n2
for all n ≥ 1. (b) Use (a) and the -definition of limit to show
that limn→∞ xn = 0.
Exercise 2. Consider the sequence (In)n> defined by cos(k)...
Question 1 please
1. True or false: (15 pts) {(-1)" tan (TC/2-3/n} is oscillating. (b) 1/2-1/4+1/6-1/8+1/10-..... converges conditionally. A convergent sequence is always Cauchy. {1/n) is a Cauchy sequence. (1-3)-(1-31/2)+(1-313)-(1-314 )+.....diverges. 2. Find limit sup and limit inf of the following sequences: (10 pts) (a){c+4) sin ng (b) {(1+m+)"} Limsup= limsup= Lmitinf= liminf= 3. Prove that either the following sequence has a limit or not. (20 pts) (a) 2n (b) n2+4n+2 n+6vn n-1
All of question 2 please
1. True or false: (15 pts) {(-1)" tan (TC/2-3/n} is oscillating. (b) 1/2-1/4+1/6-1/8+1/10-..... converges conditionally. A convergent sequence is always Cauchy. {1/n) is a Cauchy sequence. (1-3)-(1-31/2)+(1-313)-(1-314 )+.....diverges. 2. Find limit sup and limit inf of the following sequences: (10 pts) (a){c+4) sin ng (b) {(1+m+)"} Limsup= limsup= Lmitinf= liminf= 3. Prove that either the following sequence has a limit or not. (20 pts) (a) 2n (b) n2+4n+2 n+6vn n-1
PLEASE ANSWER ALL! SHOWS STEPS
2. (a) Prove by using the definition of convergence only, without using limit theo- (b) Prove by using the definition of continuity, or by using the є_ó property, that 3. Let f be a twice differentiable function defined on the closed interval [0, 1]. Suppose rems, that if (S) is a sequence converging to s, then lim, 10 2 f (x) is a continuous function on R r,s,t e [0,1] are defined so that r...
Question 1
1. [5 pts] Give a complete definition of lim f(x) = -oo if... 2. [25 pts] Give an example of each of the following, or state one or more theorems which show that such an example is impossible: a. A countable collection of nonempty closed proper subsets of R whose union is open. b. A nonempty bounded subset of R with no cluster points. c. A convergent sequence with two convergent subsequences with distinct limits. d. A function...
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