Phân tích số phức z = 3 + 4i thành phần thực và phần ảo.

Số phức và phép chia

Quiz
•
Mathematics
•
12th Grade
•
Hard
Cẩm Trần
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The real part is 7 and the imaginary part is 1.
The real part is 3 and the imaginary part is 4.
The real part is 4 and the imaginary part is 3.
The real part is 2 and the imaginary part is 5.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thực hiện phép cộng: (2 + 3i) + (4 - 2i).
6 - i
5 - i
7 + i
6 + i
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thực hiện phép trừ: (5 + 2i) - (3 - i).
8 + 2i
2 + 3i
7 - i
2 - 3i
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thực hiện phép nhân: (1 + 2i) * (3 - i).
5 + 5i
2 + 3i
6 - 2i
4 + 5i
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thực hiện phép chia: (4 + 5i) / (2 - i).
3.2 - 1.4i
0.6 + 2.8i
1.5 + 3.7i
5.6 - 2.8i
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Biểu diễn số phức z = -2 + 3i trên mặt phẳng phức.
The complex number z = -2 + 3i is represented as the point (3, -2) on the complex plane.
The complex number z = -2 + 3i is represented as the point (2, 3) on the complex plane.
The complex number z = -2 + 3i is represented as the point (-2, 3) on the complex plane.
The complex number z = -2 + 3i is represented as the point (2, -3) on the complex plane.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Tìm module của số phức z = 3 + 4i.
7
10
2
5
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