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1- Let u and vare tow vectors and 0 be the angle between u and v then u. v = I|u|| ||v|| cos e ,u + 0,v + 0. True or false 2- Let a and b are tow vectors then a x b = bxa. 3- Let z be a complex number the value of z = i5* is z = -1.

1- Let u and vare tow vectors and 0 be the angle between u and v then u. v = I|u|| ||v|| cos e ,u + 0,v + 0. True or false 2- Let a and b are tow vectors then a x b = bxa. 3- Let z be a complex number the value of z = i5* is z = -1.

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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1- Let u and vare tow vectors and 0 be the angle between u and v then u. v = ||u|| ||v|| cos e ,u # 0, v # 0. 2- Let a and b are tow vectors then a xb = bxa . 3- Let z be a complex number the value of z = i54 is z = -1. 4- lim z? – z = 1-i. True or false 5- Let f(z) = u + iv be a complex function ,we say f(z)satisfy Cauchy-Riemann ди equation iff ди and ду dv ду
Transcribed Image Text:1- Let u and vare tow vectors and 0 be the angle between u and v then u. v = ||u|| ||v|| cos e ,u # 0, v # 0. 2- Let a and b are tow vectors then a xb = bxa . 3- Let z be a complex number the value of z = i54 is z = -1. 4- lim z? – z = 1-i. True or false 5- Let f(z) = u + iv be a complex function ,we say f(z)satisfy Cauchy-Riemann ди equation iff ди and ду dv ду
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