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Complex Numbers Add, Subtract, Multiply, Divide
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How to add, subtract, multiply and divide Complex Numbers.
0:08 What is a Complex Number
0:24 Standard Form of a Complex Number
0:29 What is i?
0:49 What Does i^2 Equal
1:10 Example 1 Add (3+2i) + (4-5i)
1:45 Example 2 Subtract (3+2i) - (4-5i)
2:08 Example 3 Multiply (3+2i)(4-5i)
3:06 Example 4 Divide (3+2i)/(4-5i)
3:14 How to Rationalize the Denominator by Multiplying by the Complex Conjugate
4:55 Write In Standard Form by Splitting Up the Fraction
5:21 Example 5 Divide 3/(2i) and Rationalize
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Learn Algebra 1 Lesson by Lesson in my "Learn Algebra 1" video course for sale. 87 Lessons teaching you step by step Algebra 1. Check out the 13 free lessons(1 from each chapter)
Looking to raise your math score on the ACT and new SAT?
Check out my Huge ACT Math Video Course and my Huge SAT Math Video Course for sale at
For online 1-to-1 tutoring or more information about me see my website at:
* Organized List of My Video Lessons to Help You Raise Your Scores & Pass Your Class. Videos Arranged by Math Subject as well as by Chapter/Topic. (Bookmark the Link Below)
0:08 What is a Complex Number
0:24 Standard Form of a Complex Number
0:29 What is i?
0:49 What Does i^2 Equal
1:10 Example 1 Add (3+2i) + (4-5i)
1:45 Example 2 Subtract (3+2i) - (4-5i)
2:08 Example 3 Multiply (3+2i)(4-5i)
3:06 Example 4 Divide (3+2i)/(4-5i)
3:14 How to Rationalize the Denominator by Multiplying by the Complex Conjugate
4:55 Write In Standard Form by Splitting Up the Fraction
5:21 Example 5 Divide 3/(2i) and Rationalize
Related Videos:
Finding Imaginary i to a Higher Power 2 Techniques
What are Imaginary Numbers?
Learn Algebra 1 Lesson by Lesson in my "Learn Algebra 1" video course for sale. 87 Lessons teaching you step by step Algebra 1. Check out the 13 free lessons(1 from each chapter)
Looking to raise your math score on the ACT and new SAT?
Check out my Huge ACT Math Video Course and my Huge SAT Math Video Course for sale at
For online 1-to-1 tutoring or more information about me see my website at:
* Organized List of My Video Lessons to Help You Raise Your Scores & Pass Your Class. Videos Arranged by Math Subject as well as by Chapter/Topic. (Bookmark the Link Below)
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