How to practice concept:complex-number

Attempt a question, record the concept and assumptions, then check the available answer. Rework mistakes after revising the relevant concepts. Topic tags can overlap; review the question context.

Questions 1–3 of 3. Imported answers require independent review unless marked reviewed.

Topic practice 3 questionsPage 1 of 1

Question 40

Open question
CHMCQ2 marksNeeds review
Consider the following complex numbers

where

are real numbers,

,

, and

If

, which one of the following conditions is necessarily CORRECT?
Your answerChoose one option.

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Question 13

Open question
CHMCQ1 markNeeds review
Consider two complex numbers

and

. The argument of

is
Your answerChoose one option.

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer

Question 27

Open question
CHMCQ2 marksNeeds review
The value of the complex number

(where

) is
Your answerChoose one option.

Log in to check the answer

You can attempt this question now. Sign in to view the answer key, explanations and discussion.Log in to check answer