Problem 1 :
If Ī± and Ī² are the roots of x2 + x + 1 = 0, then Ī±2020 + Ī²2020 is
(1) -2 (2) -1 (3) 1 (4) 2
Problem 2 :
(1) -2 (2) -1 (3) 1 (4) 2
Problem 3 :
(1) 1 (2) -1 (3) ā3i (4) -ā3i
Problem 4 :
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Problem 5 :
(1) 1 (2) 2 (3) 3 (4) 4
1) -1
2) 1
3) -ā3 i
4) cis 2Ļ/3
5) 0
Solve each equation in the complex number system. Express solutions in polar and rectangular form.
Problem 1 :
x5 - 32i = 0
Problem 2 :
x3 - (1 + iā3) = 0
Problem 3 :
x3 - (1 - iā3) = 0
May 21, 24 08:51 PM
May 21, 24 08:51 AM
May 20, 24 10:45 PM