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Ex:. Find the fourth roots of Z=-di Say no 4 K = 0₁12₂3

Ex:. Find the fourth roots of Z=-di Say no 4 K = 0₁12₂3

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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- Ex: Find the fourth roots of Z=-di sal/ n=4, K = 0,1 2,3 • 544 W = 7th = (-81)² + x= √6²+(-85² = 8,0 = tan (-8)= 35 2 ÷ WK = (8)³h [cast (8)ª [cas (25 + 2K "T) isin ( 2 + 2 KT)] + 41 4 K = 0 ⇒ Wo= 1.6818 [cus (3T) + isin (3) 3 = 0-6436+1+55381 8 K= 1 + W₁=1-6818 [cos (75) +isin (757-1-5538+0-6436 1 How did he get the value inside the circle? It is possible to explain step by step and a clear line
Transcribed Image Text:- Ex: Find the fourth roots of Z=-di sal/ n=4, K = 0,1 2,3 • 544 W = 7th = (-81)² + x= √6²+(-85² = 8,0 = tan (-8)= 35 2 ÷ WK = (8)³h [cast (8)ª [cas (25 + 2K "T) isin ( 2 + 2 KT)] + 41 4 K = 0 ⇒ Wo= 1.6818 [cus (3T) + isin (3) 3 = 0-6436+1+55381 8 K= 1 + W₁=1-6818 [cos (75) +isin (757-1-5538+0-6436 1 How did he get the value inside the circle? It is possible to explain step by step and a clear line
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