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ใครไม่ซ้อน จำนวนเชิงซ้อน

Authored by Kanyanat Sattayalak

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11th Grade

ใครไม่ซ้อน จำนวนเชิงซ้อน
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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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