Let . We say that is the limit of f as x->∞ and write limx->∞f(x)=L provided that for each episilon greater than 0 there is a real number N>a such that x>N implies that |f(x)-L|∞f(x)=L and limx->∞g(x)=M, where L, M ∈ ℝ . Prove the following If g(x) is not 0 for x>a and M is not 0 , then limx->∞(f/g)(x)=L/M
Let . We say that is the limit of f as x->∞ and write limx->∞f(x)=L provided that for each episilon greater than 0 there is a real number N>a such that x>N implies that |f(x)-L|∞f(x)=L and limx->∞g(x)=M, where L, M ∈ ℝ . Prove the following If g(x) is not 0 for x>a and M is not 0 , then limx->∞(f/g)(x)=L/M
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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Definition
Let . We say that is the limit of f as x->∞ and write
limx->∞f(x)=L
provided that for each episilon greater than 0 there is a real number N>a such that x>N implies that |f(x)-L|<episilon
Use the above definition to prove the following:
Let f and g be real-valued functions defined on (b, ∞). Suppose that limx->∞f(x)=L and limx->∞g(x)=M, where L, M ∈ ℝ .
Prove the following
If g(x) is not 0 for x>a and M is not 0 , then limx->∞(f/g)(x)=L/M
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