c) lim (Rez)" Z-20 = 0
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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Hi I need help with this proof, I don't know if this is correct thanks
Transcribed Image Text:c) lim (Rez)"
721
Z-20
Meshod
→
0
we have Re z = |2|
2
O≤ (Rez) ² ≤|z|
121
0 ≤ lim (Rez) ²
121
720
<o
Now Talling limit on both sides as 2->0.
=> lim (Rez) ²
=0
2-20
121
Methed 2 for I = X GPR, lim (Rez), 3²
ZDO
121
EiR, lim (Rez)?
Z->0
for Z=y+ing EiR,
✓
-X
(Red)" + [²₂
у
y
비
y
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