
Số phức
Authored by Linda Kubisova
Mathematics
1st - 3rd Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số phức z = 1 + i√3
có môđun bằng
4
3
8
2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số phức z = 3 – 2i có môđun bằng
15
√13
√14
√10
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho số phức z = 1 + 3i Tìm số phức Z
1-3i
3-i
1+3i
3i
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho số phức z = 13 + 21i. Tọa độ biểu diễn của số phức z trên mặt phẳng tọa độ là:
(21,13)
(13,21)
(-13,21)
(13,-21)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tính moodun của số phức z= 3-8i
√24
73
-73
√73
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho z = 3 – 2i. Tính số phức liên hợp của z
3+2i
-2i+3
3-2i
2+3i
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cho số phức z = -2 - 5i Tìm phần thực a và phần ảo b của số phức Z
a=-2,b=-5
a=-2,b=5
a=2,b=5
a=2,b=-5
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