Exercise 10: Compute the following limits, using whatever we have learned thus far. If they do not exist, give a short reason why. x1 2 2 a) lim x 1 354 bs b) lim 4x x5 x2x12 2-1 c) lim d) lim x-1 1 I -3 a 3 -) ) 22x 8 e) lim I-4 f) lim 4 IXC 4 4 4 Hint: Note that if limc f(x) L, p > 0, and g(x) = f(x) on (c-p, c)U(c, c+p), then lim c 9(x) = L (in fact, we can pick og = min{p, df} for any e > 0). As an example, if: 9 (x-1)(x-2) IC g(ax) = x -1 then we can let f(x) = x - 2. Then f(x) = g(x), except at x = 1. Therefore, since lim1 f(x) = -1, then lim 1 g(x) = -1. Canider the following functions:
Exercise 10: Compute the following limits, using whatever we have learned thus far. If they do not exist, give a short reason why. x1 2 2 a) lim x 1 354 bs b) lim 4x x5 x2x12 2-1 c) lim d) lim x-1 1 I -3 a 3 -) ) 22x 8 e) lim I-4 f) lim 4 IXC 4 4 4 Hint: Note that if limc f(x) L, p > 0, and g(x) = f(x) on (c-p, c)U(c, c+p), then lim c 9(x) = L (in fact, we can pick og = min{p, df} for any e > 0). As an example, if: 9 (x-1)(x-2) IC g(ax) = x -1 then we can let f(x) = x - 2. Then f(x) = g(x), except at x = 1. Therefore, since lim1 f(x) = -1, then lim 1 g(x) = -1. Canider the following functions:
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question

Transcribed Image Text:Exercise 10: Compute the following limits, using whatever we have learned thus far. If they do not exist, give
a short reason why.
x1
2 2
a) lim
x 1 354
bs
b) lim
4x
x5
x2x12
2-1
c) lim
d) lim
x-1 1
I -3
a 3
-) )
22x
8
e) lim
I-4
f) lim
4
IXC
4
4
4
Hint: Note that if limc f(x) L, p > 0, and g(x) = f(x) on (c-p, c)U(c, c+p), then lim c 9(x) = L
(in fact, we can pick og = min{p, df} for any e > 0). As an example, if:
9
(x-1)(x-2)
IC
g(ax) =
x -1
then we can let f(x) = x - 2. Then f(x) = g(x), except at x = 1. Therefore, since lim1 f(x) = -1,
then lim 1 g(x) = -1.
Canider the following functions:
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