Let a, := 7+ Vn , n 2 1, be a sequence of real numbers. Find an n(K) EN Ə a, > K whenever n> n(K). A. n(K) = VK –7 B. n(K) = K – 7 C. n(K) = (K – 7)2 D. n(K) = K + 7 E. None of the above.

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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57.
Let a, := 7 + vn , n 2 1, be a sequence of real numbers. Find an n(K) € N ɔ a, > K
whenever n> n(K).
A. n(K) = VK –7
В. п(К) %3D к — 7
С. п (К) 3 (к — 7)?
D. n(K) = K + 7
E. None of the above.
58.
Which of the following sequenceg is/are not convergent?
Transcribed Image Text:57. Let a, := 7 + vn , n 2 1, be a sequence of real numbers. Find an n(K) € N ɔ a, > K whenever n> n(K). A. n(K) = VK –7 В. п(К) %3D к — 7 С. п (К) 3 (к — 7)? D. n(K) = K + 7 E. None of the above. 58. Which of the following sequenceg is/are not convergent?
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