f'(z) = lim Δz-10 f(z + Δz) – f(z) Δz

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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Determine f'(z). Using the definition in the pic below.

f(z) =
-1
z²
N
f(z) = z
Transcribed Image Text:f(z) = -1 z² N f(z) = z
f'(z) = lim
Δz-10
f(z + Δz) - f(z)
Δz
Transcribed Image Text:f'(z) = lim Δz-10 f(z + Δz) - f(z) Δz
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