
Bilangan Kompleks
Authored by Linda Hutabarat
Mathematics
University
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5 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Diketahui bilangan kompleks z = 2 - 3i. Manakah dari pertanyaan berikut yang bernilai benar?
Re(z) = 2
Im(z) = 3
Re(z) = -3
Im(z) = 2
2.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Jika z = i/(2-i) , maka nilai dari Im(z) adalah...
-2/5
-1/5
1/5
2/5
3.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Solusi dari persamaan kuadrat x2+ 2 = 0 adalah...
x = ±√2 i
x = ±√2i
x = ±2√i
x = ±2i
4.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Bentuk polar dari bilangan kompleks z = √x + i adalah...
z = cos 300 + i sin 300
z = cos 300 + i sin 300
z = √2 (c0s 300 + i sin 300)
z = 2(c0s 600 + i sin 600)
5.
MULTIPLE CHOICE QUESTION
1 min • 2 pts
Persamaan kuadrat yang memiliki solusi x1 = i dan x2 = -i adalah...
x2 - 2x = 0
x2 - 2 = 0
x2 + 1 = 0
x2 - 1 = 0
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