Introduction to the matrix | Matrices | Precalculus | Khan Academy
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Introduction to the matrix | Matrices | Precalculus | Khan Academy
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/precalculus/x9e81a4f98389efdf:matrices/x9e81a4f98389efdf:mat-intro/v/introduction-to-the-matrix Practice this lesson yourself on KhanAcademy.org right now: https://www.khanacademy.org/math/precalculus/precalc ...
1.1M viewsFeb 22, 2013
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