จำนวนเชิงซ้อน

จำนวนเชิงซ้อน

11th Grade

20 Qs

quiz-placeholder

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จำนวนเชิงซ้อน

จำนวนเชิงซ้อน

Assessment

Quiz

Mathematics

11th Grade

Medium

Created by

Sirikan Nookaew

Used 10+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

เท่ากับเท่าใด

i

-1

-i

1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

ส่วนจริงของ z = 2 - 8i เท่ากับเท่าใด

2

8

-8

-8i

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

ส่วนจินตภาพของ z = -3 + 4i เท่ากับเท่าใด

-3

3

4

4i

4.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(a + bi) - (2 + 5i) = 3 - i แล้ว a + b เท่ากับเท่าใด

9

5

4

1

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(-3 + 2i) - (4 + i) เท่ากับเท่าใด

-7 + i

-7 + 3i

-1 + i

-1 + 3i

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(4 + 8i) / (2i) เท่ากับเท่าใด

-4 + 2i

4 + 2i

-4 -2i

4 - 2i

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

(3 - 4i) / (1 - 2i) เท่ากับเท่าใด

-2 - i

2.2 + 0.4i

2.2 - 0.4i

2i - 1

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