12. Show that the following limits do not exist. 1 (a) lim (x > 0), x→0x2 (c) lim (x+sgn(x)), x-0 (b) lim (x > 0). x-√x (d) lim sin (1/x²). x-0

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter4: Calculating The Derivative
Section4.1: Techniques For Finding Derivatives
Problem 35E
Question

4.1.12 Intro To Real Analysis 

12. Show that the following limits do not exist.
1
(a)
lim
x→0x2
(x > 0),
(c) lim (x + sgn(x)),
x-0
(b)
lim
(x > 0),
x->0 √x
(d)
lim sin (1/x2).
x-0
Transcribed Image Text:12. Show that the following limits do not exist. 1 (a) lim x→0x2 (x > 0), (c) lim (x + sgn(x)), x-0 (b) lim (x > 0), x->0 √x (d) lim sin (1/x2). x-0
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