CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Complex Numbers

Find the modu...

Question

Find the modulus and principal argument of -4.

Open in App

Solution

Let $z = - 4 + 0 i$ . Then, $| z | = \sqrt{(- 4)^{2} + 0} = 4$
The point (-4,0) representing $z = - 4 + 0 i$ lies on the negative side of real axis. Therefore, principal argument of z is $π$ .

Suggest Corrections

thumbs-up

0

Similar questions

Q. Find the modulus, argument and the principal argument of the complex numbers.

\frac{2 + i}{4 i + (1 + i)^{2}}

Q. Find the modulus and the principal value of the argument of the number

1 - i

Q. Find the modulus, argument and the principal argument of the complex numbers.

6 (cos 310^{o} - i sin 310^{o})

Q. Find the modulus, argument and the principal argument of the complex numbers.

- 2 (cos 30^{o} + i sin 30^{o})

Find the modulus, argument and the principal argument of the complex numbers.

(t a n 1 - i)^{2}

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Introduction

MATHEMATICS

Watch in App

explore_more_icon

Explore more

Complex Numbers

Standard XII Mathematics

Join BYJU'S Learning Program

CrossIcon