'rove or give counterexample. (a) If (x) and (yn) diverge, then (x + yn) diverges. (b) If (x) and (yn) diverge, then (znyn) diverges. (c) If (n) and (n + yn) converge, then (yn) converges. (d) If (rn) and (Enyn) converge, then (yn) converges.
'rove or give counterexample. (a) If (x) and (yn) diverge, then (x + yn) diverges. (b) If (x) and (yn) diverge, then (znyn) diverges. (c) If (n) and (n + yn) converge, then (yn) converges. (d) If (rn) and (Enyn) converge, then (yn) converges.
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Prove or give counterexample.
(a) If \((x_n)\) and \((y_n)\) diverge, then \((x_n + y_n)\) diverges.
(b) If \((x_n)\) and \((y_n)\) diverge, then \((x_n y_n)\) diverges.
(c) If \((x_n)\) and \((x_n + y_n)\) converge, then \((y_n)\) converges.
(d) If \((x_n)\) and \((x_n y_n)\) converge, then \((y_n)\) converges.
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