Số phức có phần thực bằng 3 và phần ảo bằng 4 là

Số Phức - Quiz

Quiz
•
Mathematics
•
12th Grade
•
Medium
phương lê
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
3+4i
4-3i
3-4i
4+3i
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Số phức liên hợp của số phức 1-2i là
-1-2i
1+2i
-2+i
-1+2i
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Số phức -3+7i có phần ảo bằng:
7
-7
-3
3
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Số phức nào dưới đây là số thuần ảo.
z = -2
z = -2 + 3i
z = 3i
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Trên mặt phẳng tọa độ, biết M(-1;3) là điểm biểu diễn số phức z . Phần thực của z bằng
3
-1
-3
1
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
5
2
3
7.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
a = 3; b = 2
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