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- How would I find if the sequences an=nπ cos(nπ) and an= (n2)(1/n) are convergent/divergent?Where it is converges?i. Suppose that the sn satisfies both limn→∞ s2n = 3 and limn→∞ s2n+1 = 3. (That is, the sequence given by the even terms of sn and that given by the odd terms of sn both converge to 3.) Show that also limn→∞ sn = 3.ii. Give an example of a sequence where the sequences given by the even and by the odd terms both converge, but where the entire sequence does not converge.
- i. Suppose that the sn satisfies both limn→∞s2n = 3 and limn→∞s2n+1 = 3. (That is, the sequence given by the even terms of sn and that given by the odd terms of sn both converge to 3.) Show that also limn→∞sn = 3.ii. Give an example of a sequence where the sequences given by the even and by the odd terms both converge, but where the entire sequence does not converge.compare the series (1+x)-3=1-3x+6x2-10x3........ with ex= 1+x +x2/2 +x3/6............ Are they both convergent? How can you prove this?1.) is this absolutely convergent?
- Suppose that the sn satisfies both limn→∞s2n = -1 and limn→∞s2n+1 = -1. (That is, the sequence given by the even terms of sn and that given by the odd terms of sn both converge to -1.) Show that also limn→∞sn = -1.Show that the sequence {Sn} give in general terms is convergent.Find out if it is converges or diverges. Use the appropriate test for this problem.
- Suppose that the sn satisfies both limn→∞ s2n = 2 and limn→∞ s2n+1 = 2. (That is, the sequence given by the even terms of sn and that given by the odd terms of sn both converge to 2.) Show that also limn→∞ sn = 2.Determine if the sequence {an}∞n=1 with an=4n^2/√ (4n4+6n2)−converges. If it converges write its limit.if Xn is bounded, is Xn cauchy ? is Xn convergent?