Determine if true or false and provide a justification if true or false. Thanks 4. The sequence {an}, where an =n cos(n² + 3n + 4)n+1has a convergent subsequence.5. Let x R. If there exists a sequence {an} CACR such that lim an = x, then x is a limit pointn→∞of A.6. Let D ={2100: z € Z}. Then D is a dense subset of R.

Few Real valued functions are given.

Answered: has a convergent subsequ lim an = x,…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

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has a convergent subsequ lim an = x, then n4x 4. The sequence {an}, where {an = n+1 5. Let x R. If there exists a sequence {an} CACR such that of A. 6. Let D={100: z € Z}. Then D is a dense subset of R.