Using only the definition of limit, prove the following: 2n (a) lim 21 n→∞ = 0; (b) lim 1+ 1 + 2/1/2 = 1. n→∞

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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Using only the definition of limit, prove the following:
2n
(a) lim 21
n²+1
n→∞
=
0;
(b) lim 1+1 +2 = 1.
n→∞
Transcribed Image Text:Using only the definition of limit, prove the following: 2n (a) lim 21 n²+1 n→∞ = 0; (b) lim 1+1 +2 = 1. n→∞
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