How did he get the value inside the line 2ni (z-1)(z-2) X [n] = $ 1 %3D 1 2ni (z–1)(z–2) "dz Residue at z = 1 Res (2 – 1) × - Z. = -1 (z-1)(z-2) Res due at z = 2 Res[(z – 2) × = 2 Z. | (z-1)(z-2) z=2
How did he get the value inside the line 2ni (z-1)(z-2) X [n] = $ 1 %3D 1 2ni (z–1)(z–2) "dz Residue at z = 1 Res (2 – 1) × - Z. = -1 (z-1)(z-2) Res due at z = 2 Res[(z – 2) × = 2 Z. | (z-1)(z-2) z=2
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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