จำนวนเชิงซ้อนในรูปเชิงขั้ว

จำนวนเชิงซ้อนในรูปเชิงขั้ว

1st - 12th Grade

25 Qs

quiz-placeholder

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จำนวนเชิงซ้อนในรูปเชิงขั้ว

จำนวนเชิงซ้อนในรูปเชิงขั้ว

Assessment

Quiz

Mathematics

1st - 12th Grade

Medium

Created by

คมไผ่ พรรณา

Used 48+ times

FREE Resource

25 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

ให้ z = 2 + 2i จงหา |z|

4

2 2\sqrt{2}

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

ให้ z = 2 + 2i จงหา Arg (z)

30°30\degree

45°45\degree

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

ให้ z = 2 + 2i แล้ว z ในรูปเชิงขั้วตรงกับข้อใด

22(cos 45°+ i sin 45°)2\sqrt{2}\left(\cos\ 45\degree+\ i\ \sin\ 45\degree\right)

4(cos 30° + i sin 30°)4\left(\cos\ 30\degree\ +\ i\ \sin\ 30\degree\right)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

ให้ z =  1  3i1\ -\ \sqrt{3}i  จงหา |z|

4

2

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

ให้ z =  13i1-\sqrt{3}i  จงหา Arg (z)

 300°300\degree  

 330°330\degree  

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

เขียน z =  13i1-\sqrt{3}i  ในรูปเชิงขั้ว

 2(cos 330° + i sin 330°)2\left(\cos\ 330\degree\ +\ i\ \sin\ 330\degree\right)  

 2(cos 300° + i sin 300°)2\left(\cos\ 300\degree\ +\ i\ \sin\ 300\degree\right)  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

ให้ z =  4+43i-4+4\sqrt{3}i  จงหา |z|

8

16

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