D 5. Refie)- A)0 B) Im(le) C Im (z) D)-Im(z) . One of the follewing statements is always t A) Arg (z z,)-Argz BYArg

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
Section: Chapter Questions
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Amro Khatabi
Active Now
MID TERM/1" SEMESTER 2017-2018
St. Nam
Date: 20/11/2017
Complax Analyris (1)
Time allowed: 120 min.
br. Tariq All
Q0(30 marks): Choose the correct answer in the box:
8.
10 11 12 13 14 15
12
3
4
S/3-8i =0 is
1. The principal root of z
A)32 cos
+i sin
10
B)32 cos
+/ sin
10
10
10
37
+i sin
10
C) (8)
cos
10
D)32 cos-
+i sin
2. One of the following represents a circle with center (-2,1) and radius 15
A)= +2+4-16
이+2-4-16
B)z-2+i-16
D)|z-2-1-16
3. The graph of z+z=1 represent
A) circle
B) an ellipse
C) hyperhola
D) straight line
4. One of the following points lie outside the circle z-1+=1
A)-i
B)1
D
5. Re(ie)-
A) 0
B) Im(iz)
C) Im (z)
D)-Im(z)
6 One of the following statements is always true:
A) Arg (z z,)-Argz, +Argz
BYArg (z,/z3)-Argz,-Argz,
C) arg(z,z)-arg z,-arg z,
D)Argz-Argz, z eC
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Transcribed Image Text:Amro Khatabi Active Now MID TERM/1" SEMESTER 2017-2018 St. Nam Date: 20/11/2017 Complax Analyris (1) Time allowed: 120 min. br. Tariq All Q0(30 marks): Choose the correct answer in the box: 8. 10 11 12 13 14 15 12 3 4 S/3-8i =0 is 1. The principal root of z A)32 cos +i sin 10 B)32 cos +/ sin 10 10 10 37 +i sin 10 C) (8) cos 10 D)32 cos- +i sin 2. One of the following represents a circle with center (-2,1) and radius 15 A)= +2+4-16 이+2-4-16 B)z-2+i-16 D)|z-2-1-16 3. The graph of z+z=1 represent A) circle B) an ellipse C) hyperhola D) straight line 4. One of the following points lie outside the circle z-1+=1 A)-i B)1 D 5. Re(ie)- A) 0 B) Im(iz) C) Im (z) D)-Im(z) 6 One of the following statements is always true: A) Arg (z z,)-Argz, +Argz BYArg (z,/z3)-Argz,-Argz, C) arg(z,z)-arg z,-arg z, D)Argz-Argz, z eC Edit More
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