Adding and Subtracting Matrices

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This precalculus video provides a basic introduction into addition and subtraction of matrices. It contains plenty of examples and practice problems on how to add and subtract matrices.

Adding and Subtracting Matrices:

Scalar Multiplication of Matrices:

Solving Matrix Equations:

Multiplying Matrices:

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Gaussian Elimination & Row Echelon Form:

Gauss Jordan Elimination:

Gaussian Elimination With 4 Variables:

Inverse of a 2x2 Matrix:

Inverse of a 3x3 Matrix:

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Determinant of 2x2 and 3x3 Matrix:

Determinant of 4x4 Matrix:

Cramer's Rule - 2x2 Linear System:

Cramer's Rule - 3x3 Linear System:

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Final Exams and Video Playlists:

Full-Length Videos and Worksheets:
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Ajaykumar.YouTube
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honestly this is hella easy, but i fell asleep in class

elijahcedillo
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adzhaguri
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unitedeagle
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shlokasharath
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PUMALIFE
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I would very much appreciate a video with row reducing in linear algebra

roadhog
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I don’t understand how people mess this up? This is so easy.


(I’m people, I wasn’t paying attention in the class)

WhoisFaieq
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Ollyboy-vq
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I was really tensed because I was struggling with the matrices topic but when i watched this video it made so easy. Thank You😊

chelseaom
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Thanks to you I passed my test on matrices

gorogorgo-chan
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georgesadler
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monjyotiboro.
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ahlammohammed
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mollyyyyyyy
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kaasegbertyoh
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ethanguest