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7. Use the Cauchy integral formula to judge whether the following formulas are. Correct: (Select area D for each question, and verify whether feA(D), C ≤ D, z0eInt(C) are established or not.) COS Z πί z(z²+8) ² (0) 2 (22+8) dz = 74 $c (z²+1)³ c(i) z-2i □ c† dz = -27. 1 $c (0) Z(z²+z) dz = 2ni. 1 c† (0) z coś zdz = 2ni.

7. Use the Cauchy integral formula to judge whether the following formulas are. Correct: (Select area D for each question, and verify whether feA(D), C ≤ D, z0eInt(C) are established or not.) COS Z πί z(z²+8) ² (0) 2 (22+8) dz = 74 $c (z²+1)³ c(i) z-2i □ c† dz = -27. 1 $c (0) Z(z²+z) dz = 2ni. 1 c† (0) z coś zdz = 2ni.

Advanced Engineering Mathematics
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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7. Use the Cauchy integral formula to judge whether the following formulas are. Correct: (Select area D for each question, and verify whether fEA(D), C c D, z0eInt(C) are established or not.) COS Z = □ c₂ (0) z(2²+8) dz= 3 (z²+1)³ □ $cz (1) dz = -27. (i) z-2i 1 □c† (0) z(z²+2) 1 Z COS Z □ fct πί c₁+ (0) ₂ dz = 2πί. dz = 2πi.
Transcribed Image Text:7. Use the Cauchy integral formula to judge whether the following formulas are. Correct: (Select area D for each question, and verify whether fEA(D), C c D, z0eInt(C) are established or not.) COS Z = □ c₂ (0) z(2²+8) dz= 3 (z²+1)³ □ $cz (1) dz = -27. (i) z-2i 1 □c† (0) z(z²+2) 1 Z COS Z □ fct πί c₁+ (0) ₂ dz = 2πί. dz = 2πi.
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