Complex Numbers Quiz

Complex Numbers Quiz

University

50 Qs

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Complex Numbers Quiz

Complex Numbers Quiz

Assessment

Quiz

Engineering

University

Practice Problem

Medium

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อาทิตย์ ยาวุฑฒิ

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50 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

จำนวนเชิงซ้อนในรูปทั่วไป คือข้อใด?

a + b

a + bi

ab

a^2 + b^2

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

หน่วยจินตภาพ i มีสมบัติคืออะไร?

i^2 = -1

i^2 = 0

i^2 = 1

i^2 = i

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

ผลบวกของ (3 + 4i) + (1 - 2i) คือเท่าไร ?

4 + 2i

2 + 6i

4 + 6i

2 + 2i

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

ผลคูณของ (2 + 3i)(1 - i) คือเท่าไร ?

5 + i

-1 + 5i

5 - i

1 + i

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

ผลหารของ (3 + 2i) / (1 - i) คือเท่าไร ?

(5 + i) / (2)

(1 + 5i) / (2)

(5 - i) / (2)

(1 - 5i) / (2)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

โมดูลัสของจำนวนเชิงซ้อน 3 + 4i คือเท่าไร ?

5

7

6

13^0.5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

จำนวนเชิงซ้อนที่เป็น pure imaginary คือข้อใด ?

3 + 2i

2 - i

0 + 5i

5

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