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Linear Algebra: Matrices

A series of linear algebra lectures given in videos by Khan Academy.

Introduction to matrices
What a matrix is. How to add and subtract them.

Matrix multiplication (part 1)
Multiplying two 2x2 matrices.

Matrix multiplication (part 2)
More on multiplying matrices.

Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.

You can use the free Mathway calculator and problem solver below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.

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