Determinant of a 3 by 3 Matrix


This online calculator may be used to calculate the determinant of a 3 by 3 matrix.

Let \( A \) be a \( 3 \times 3 \) matrix given by \[ A = \begin{bmatrix} a & b & c \\ d & e & f \\ g & h & i \end{bmatrix} \] The determinant of matrix \( A \) is given by \[ \det(A) = a(e i - h f) - d(b i - h c) + g(b f - e c) \]

Determinant calculator

1 - Enter coefficients \( a, b, c, d, e, e, f, g, h \) and \( i \) and press "enter".

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Determinant=


More References and links

Calculate Determinant of a Matrix
Determinant of a 2 by 2 Matrix - Calculator
Math Calculators and Solvers.