1310-Notes-Sec-24-big-filled

# 1310-Notes-Sec-24-big-filled - Math 1310 Class Notes –...

This preview shows pages 1–4. Sign up to view the full content.

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document

This preview has intentionally blurred sections. Sign up to view the full version.

View Full Document
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Math 1310 Class Notes – Section 2.4, Page 1 of 11 Math 1310 Section 2.4 An Introduction to Complex Numbers A complex number is a number that can be written in the form a bi + where a and b are real numbers and 2 1 i = - . We call the number a the real part and we call the number b the imaginary part. If a = 0, the complex number is called a pure imaginary number. Any real number can be written as a complex number with b = 0. • First, you’ll need to be able to classify numbers as real, complex or both. Example 1: Identify each of these numbers as real, complex or both: a. 4 2 i- b. 7 Math 1310 Class Notes – Section 2.4, Page 2 of 11 c. 36- d. 5 • Identify the real part and the imaginary part Example 2: Write in the form a bi + and state the real part and the imaginary part. a. 4 7 2 i + b. 5 9-- Math 1310 Class Notes – Section 2.4, Page 3 of 11 c. 12 Next, you’ll need to be able to find various powers of i . You’ll need to know these 4 powers: 2 3 2 4 2 2 1 1 1 1 1 i i i...
View Full Document

{[ snackBarMessage ]}

### Page1 / 11

1310-Notes-Sec-24-big-filled - Math 1310 Class Notes –...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document
Ask a homework question - tutors are online