Chapter4: Systems Of Linear Equations
Section4.6: Solve Systems Of Equations Using Determinants
Problem 277E: Explain what is meant by the minor of an entry in a square matrix.
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Rotate the quadratic function 5x^2 + 3y^2 + 2z^2 + 4xz = 14 to its principal axes and express this as a symmetric matrix
Definition Definition Matrix whose transpose is equal to itself. For a symmetric matrix A, A=AT.
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