Which of the following statements is false? If E a, converges but E Ja, I does not converge, then a, converges conditionally. the above If E la, converges, then Ea,n converges. the above
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Q: write down detailed e− N-proofs i) (√n+7)/(n+5) converges. ii) (n2−3i)/(2n3+2i) converges
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- prove by definition 3/n and 1/n^2 converges to 0.a) Suppose (an) is Cauchy and that for every k ∈ N, the interval (−1/k, 1/k) contains at least one term of (an). Can we say that (an) converges to 0? Either show that it does or give a counter-example.Show if the following question converge or diverges
- ∞ Suppose ak > 0 for all k, and ∑ ak converges. k=1 Answer the following questions and explain your reasoning. ∞ a. Must ∑−3an always converge? n=1 ∞b. Must ∑ 1/an always converge? n=1 ∞ c. Must ∑(an )^3 always converge? n=1 ∞ d. Must ∑ (an)^1/3 always converge? n=1Does a(n)= n^2sin(3/n^2) converge? If so, to where?true or false , prove your answer Suppose the interval (3, 3.99999) contains infinitely many terms of (an). Then (an)cannot converge to 4.
- Prove if ( a n ) converges, then ( | a n | ) converges.write down detailed e− N-proofs i) (√n+7)/(n+5) converges. ii) (n2−3i)/(2n3+2i) convergesDecide whether each proposition is true or false, providing ashort justification or counterexample as appropriate. (a) If sigma∞n=1 gn converges uniformly, then (gn) converges uniformly to zero.