
จำนวนเชิงซ้อน
Authored by Suchada Chaiya
Mathematics
11th Grade
Used 8+ times

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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ตัวผกผันการบวกของ z = 3 + 4i
3+4i
3 - 4i
- 3 - 4i
- 3 + 4i
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
สังยุคของ z = - 3 - 4i คือข้อใด
3+4i
3 - 4i
- 3 - 4i
- 3 + 4i
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
ค่าสัมบูรณ์ของ z = 8 + 15i คือข้อใด
19
16
17
18
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
i89 มีค่าตามข้อใด
i
-1
-i
1
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
i + i2 + i4 + i6 + i7 + i9 + i11 มีค่าเท่ากับเท่าไร
i
-i
1
-1
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
1. (3 + 4i) + (2 + 3i) = ?
5 + 5i
4 + 7i
5 + 7i
7 + 6i
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
2. (5 + 2i) - (3 + 4i) = ?
-1 + 3i
3 + 2i
2 - 2i
0 - 3i
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