16. A triangle has vertices at points in the Argand diagram which represent the complex numbers z₁, 22 and 23. 22 - 21 cos+ i sin, show that the triangle is equilateral. 23 - 21 If
16. A triangle has vertices at points in the Argand diagram which represent the complex numbers z₁, 22 and 23. 22 - 21 cos+ i sin, show that the triangle is equilateral. 23 - 21 If
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:16. A triangle has vertices at points in the Argand diagram which
represent the complex numbers z₁, 22 and 23.
22 - 21
cos+ i sin, show that the triangle is equilateral.
23 - 21
If
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