minor of an element   2 videos

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  3x3 Determinants

  Precalculus Systems of Linear Equations and Matrices

  How to compute the determinant of a 3x3 square matrix using minors by expanding along the top row.

  square matrices determinant 3x3 determinant minor of an element
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  The Ellipse

  Precalculus Conic Sections

  All about ellipses.

  ellipse co vertices vertices major axis minor axis focus foci x radius y radius