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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i rarely see videos nowadays that get straight to the point. thanks for being so helpful!

tituswillb
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For a person like me who like to read up on different mathematical concepts but don't really go beyond adding, subtracting, multiplying and dividing it's a perfect video that gets you more easily involved In more complex mathematics, respect man

shaunandrews
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This makes a lot more sense. Thank you for all that you do!

akashayaqub
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This was extremely well done, thank you! It just saved me on my PreCalc test :) You have definitely earned my subscription

petebrown
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They made imaginary numbers then made imaginary rules to go with it

justred
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Subscribing - very well done explanation.

alex_x_x_
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Great Video! Thank you so much for your help!! Funny how the ad I got was addition below 10 when I'm currently studying complex numbers...🤣😂

fortimusprime
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I couldn't understand this from the past two months but after ur 5 min vid I understood everything

rosered
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Sir how to solve questions with more than 3 brackets in form of a cube

pratyushmishra
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thanks! i was about to die(mentally) with my ap pre calc homework

meowcats
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Can i take imaginary number another letter except i

mohamedrooble
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Iyal parayunnathe enikke manasilakunnilla 😂

gammaraygaming