Which one of the following statements are true? Select all true statements. Only select true statements. (a) -2 is the only third root of –8 in C. (b) 7 is a complex number. 2+3i 3-ai No matter what the value of a is. (c) can be simplified into the form r + yi. (d) The complex number -7+7V31 has the angle 27/3. (e) eln(x)i has norm r. (a) (b) O (c) O (d)
Which one of the following statements are true? Select all true statements. Only select true statements. (a) -2 is the only third root of –8 in C. (b) 7 is a complex number. 2+3i 3-ai No matter what the value of a is. (c) can be simplified into the form r + yi. (d) The complex number -7+7V31 has the angle 27/3. (e) eln(x)i has norm r. (a) (b) O (c) O (d)
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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Transcribed Image Text:Which one of the following statements are true?
Select all true statements.
Only select true statements.
(a) -2 is the only third root of –8 in C.
(b) 7 is a complex number.
2+3i
3-ai
No matter what the value of a is.
(c)
can be simplified into the form r + yi.
(d) The complex number -7+7V31 has the angle 27/3.
(e) eln(x)i has norm r.
(a)
(b)
O (c)
O (d)
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