ใครไม่ซ้อน จำนวนเชิงซ้อน
Authored by Kanyanat Sattayalak
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11th Grade
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
จงหาเลขกำลังสองสมบูรณ์ (conjugate)ของ5-6i
1.5-6i
2.-5+6i
3.5+6i
4.-5-6i
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
จงหาz\overline{z}เมื่อz=2+3i
5
8
13
20
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
จงหาi^5(เมื่อi=\sqrt{-1}
1
-1
i
-i
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
จงหาผลลัพธ์ของ|3+4i|
3
4
5
\sqrt{13}
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
จงหา\frac{3+4i}{1+2i}
1.-0.2+1.6i
2.0.4+1.2i
3.2-1.2i
4.1+1.2i
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
จงคูณ (1+2i)(3-1)
1.5+5i
2.3+7i
3.1+6i
4.5+7i
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
จงหา (2 + 3i) + (4 - 5i)
1.6-2i
2.6+8i
3.6-8i
4.6+2i
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