
Uji Pemahaman Perkalian Bilangan Kompleks
Authored by DHIAH ANDARI
Mathematics
11th Grade
Used 1+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hitung hasil dari (3 + 4i) * (2 - 3i).
-1 + 5i
18 - i
7 + 10i
6 - 2i
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika z1 = 1 + 2i dan z2 = 3 + 4i, berapa z1 * z2?
7 + 8i
-5 + 10i
1 + 6i
-10 + 12i
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selesaikan persamaan 2z + 3i = 5 - 4i untuk z.
0 + 4i
2.5 - 3.5i
1 - 2i
3 + i
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Apa hasil dari (5 + 6i) * (1 - 2i)?
17 - 4i
1 + 2i
5 - 12i
11 + 6i
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tunjukkan bahwa (a + bi)(a - bi) = a^2 + b^2.
a^2 + b^2
a^2 + 2b
(a + b)(a - b)
a^2 - b^2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jika z = 2 + 3i, hitung |z|.
5
√10
√13
√15
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Selesaikan persamaan z^2 + 1 = 0.
z = 1
z = i, z = -i
z = 2
z = 0
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