a) let SSK : A->R be function and let c be acluster Point of A if lim S, (x) exists for each i=1, 2, .-,k then K i) lim Si (x)= lim fi (x) X->C 1=1 11), im π fi (x) = lim fi (x) YC il i=1 1) let f(x) = ) x² Sin (1/x), xe Q/{o} f(x) = { x² cos(\/x), x&Q Show that lim f(x)= 0 X = 0 c) Give an example of aset ASR, a cluster Point C of Aand two fun. & 9: AR st lim f(x)9(x) exsis bat limfex) does not exist X-C

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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a) let SSK : A->R be function and let
c be acluster Point of A if lim S, (x) exists
for each i=1, 2, .-,k then
K
i) lim Si (x)= lim fi (x)
X->C 1=1
11), im π fi (x) = lim fi (x)
YC il
i=1
1) let f(x) = ) x² Sin (1/x), xe Q/{o}
f(x) = {
x² cos(\/x), x&Q
Show that lim f(x)= 0
X = 0
c) Give an example of aset ASR, a cluster Point C
of Aand two fun. & 9: AR st lim f(x)9(x) exsis
bat limfex) does not exist
X-C
Transcribed Image Text:a) let SSK : A->R be function and let c be acluster Point of A if lim S, (x) exists for each i=1, 2, .-,k then K i) lim Si (x)= lim fi (x) X->C 1=1 11), im π fi (x) = lim fi (x) YC il i=1 1) let f(x) = ) x² Sin (1/x), xe Q/{o} f(x) = { x² cos(\/x), x&Q Show that lim f(x)= 0 X = 0 c) Give an example of aset ASR, a cluster Point C of Aand two fun. & 9: AR st lim f(x)9(x) exsis bat limfex) does not exist X-C
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