the differential operator   4 videos

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  Set Operation: Union

  Precalculus Linear Equations and Inequalities

  How to define union.

  Venn diagram union set operation or
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  Set Operation: Intersection

  Precalculus Linear Equations and Inequalities

  How to solve define intersection.

  Venn diagram union set operation and
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  Vector Operations in 3D

  Precalculus Vectors and Parametric Equations

  How to perform vector operations like addition, scalar multiplication, the dot product, and finding the magnitude, in three dimensions.

  vectors components vector addition scalar multiplication the dot product the scalar product magnitude length three dimensions
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  Simplifying Determinants

  Precalculus Systems of Linear Equations and Matrices

  How to simplify determinants using three row (or column) operations.

  determinant row operations column operations interchanging rows common factors adding a multiple of one row to another