Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN: 9780470458365
Author: Erwin Kreyszig
Publisher: Wiley, John & Sons, Incorporated
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(1) Use the definition to prove that if xn → 2 then (2x + 1)/xn → 5/2.
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Transcribed Image Text:(1) Use the definition to prove that if xn → 2 then (2x + 1)/xn → 5/2.
Xn =
Xn = n where (yn) is bounded
2
n(1+(−1)”)+n-((−1)n − 1)
Xn
Xn
Xn=3-(-1)"
Xn = cos (¹₂)
√1+n²
2n-5
=
lim inf (x₂) lim sup(x₂)
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Transcribed Image Text:Xn = Xn = n where (yn) is bounded 2 n(1+(−1)”)+n-((−1)n − 1) Xn Xn Xn=3-(-1)" Xn = cos (¹₂) √1+n² 2n-5 = lim inf (x₂) lim sup(x₂)
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