Determinant Formulas


Determinant of Order One

  |a11| = a11

Determinant of Order Two

  Determinant of Order Two = a 11 a 22 - a 12 a 21


Determinant of Order Three

Determinant of Order Three=

a11 a22 a33 + a12 a23 a 31 + a13 a21 a32 -

- a 13 a22 a31 - a12 a21 a 33 - a11 a23 a32.

Rule of Sarrus

Rule of Sarrus+ sign

Rule of Sarrus− sign





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