Examples. Justify your answers briefly. (a) Is ---- ) conditionally convergent or absolutely convergent? Ex- n+ nal plain your answer!

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Examples. Justify your answers briefly.
1
(a) Is
1
conditionally convergent or absolutely convergent? Ex-
n
n=1
n + 1
plain your answer!
(b) Find the Dedekind cut for 1+ V2. Your answer should not refer directly
to any irrational numbers.
(c) Let S be the set of points (x, y) in R? so that x2 + 4y?
S is sequentially compact.
(d) Let T = {(0, y) : y E Q}. Explain why T is not an open subset of R?.
= 1. Explain why
Transcribed Image Text:Examples. Justify your answers briefly. 1 (a) Is 1 conditionally convergent or absolutely convergent? Ex- n n=1 n + 1 plain your answer! (b) Find the Dedekind cut for 1+ V2. Your answer should not refer directly to any irrational numbers. (c) Let S be the set of points (x, y) in R? so that x2 + 4y? S is sequentially compact. (d) Let T = {(0, y) : y E Q}. Explain why T is not an open subset of R?. = 1. Explain why
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