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# Complex Numbers Definition and Properties

Created by
@RecommendedSyntax6799

### What is the definition of a complex number?

• A number that is not real and irrational
• A number that is real and rational
• A number that can only be expressed in fractions
• A number that can be expressed in the form $a+bi$, where $a$ and $b$ are real numbers and $i$ is the imaginary unit (correct)
• ### What is the imaginary unit denoted by?

• $k$
• $i$ (correct)
• $j$
• $u$
• ### What does the modulus of a complex number represent?

• The distance of the complex number from the origin in the complex plane (correct)
• The real part of the complex number
• The imaginary part of the complex number
• The sum of the real and imaginary parts of the complex number
• ### What are the subtopics for 'Higher math'?

<p>Higher math, Higher math topics, Higher math subtopics</p> Signup and view all the answers

### How are the subtopics for 'Higher math' presented in the text?

<p>Using the repetition of the phrase 'Higher math'</p> Signup and view all the answers

### What is the primary focus of the text?

<p>Defining the term 'Higher math'</p> Signup and view all the answers

### হাইপারটেনশন কি?

<p>এটি একটি স্বীকৃত সর্বোচ্চ সীমা</p> Signup and view all the answers

### অনুরূপ সর্বোচ্চ সীমার উদাহরণ কি?

<p>1000</p> Signup and view all the answers

### হাইপারটেনশন কিরো জানা, 'Higher' math-er বিভাজনের প্রাথমিক ফোকাস কী?

<p>না</p> Signup and view all the answers

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