<\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/2\/2c\/Find-the-Inverse-of-a-3x3-Matrix-Step-2-Version-2.jpg\/v4-460px-Find-the-Inverse-of-a-3x3-Matrix-Step-2-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/2\/2c\/Find-the-Inverse-of-a-3x3-Matrix-Step-2-Version-2.jpg\/v4-728px-Find-the-Inverse-of-a-3x3-Matrix-Step-2-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"
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<\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/7\/7b\/Find-the-Inverse-of-a-3x3-Matrix-Step-5-Version-2.jpg\/v4-460px-Find-the-Inverse-of-a-3x3-Matrix-Step-5-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/7b\/Find-the-Inverse-of-a-3x3-Matrix-Step-5-Version-2.jpg\/v4-728px-Find-the-Inverse-of-a-3x3-Matrix-Step-5-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"
<\/div>"}, Utiliser la réduction linéaire par rangées pour trouver une matrice inverse, {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/7\/74\/Find-the-Inverse-of-a-3x3-Matrix-Step-6-Version-2.jpg\/v4-460px-Find-the-Inverse-of-a-3x3-Matrix-Step-6-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/7\/74\/Find-the-Inverse-of-a-3x3-Matrix-Step-6-Version-2.jpg\/v4-728px-Find-the-Inverse-of-a-3x3-Matrix-Step-6-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"
<\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/a\/aa\/Find-the-Inverse-of-a-3x3-Matrix-Step-7-Version-2.jpg\/v4-460px-Find-the-Inverse-of-a-3x3-Matrix-Step-7-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/a\/aa\/Find-the-Inverse-of-a-3x3-Matrix-Step-7-Version-2.jpg\/v4-728px-Find-the-Inverse-of-a-3x3-Matrix-Step-7-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"
<\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/6\/61\/Find-the-Inverse-of-a-3x3-Matrix-Step-8-Version-2.jpg\/v4-460px-Find-the-Inverse-of-a-3x3-Matrix-Step-8-Version-2.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/6\/61\/Find-the-Inverse-of-a-3x3-Matrix-Step-8-Version-2.jpg\/v4-728px-Find-the-Inverse-of-a-3x3-Matrix-Step-8-Version-2.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"
<\/div>"}, {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/d\/da\/Find-the-Inverse-of-a-3x3-Matrix-Step-9.jpg\/v4-460px-Find-the-Inverse-of-a-3x3-Matrix-Step-9.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/d\/da\/Find-the-Inverse-of-a-3x3-Matrix-Step-9.jpg\/v4-728px-Find-the-Inverse-of-a-3x3-Matrix-Step-9.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"
<\/div>"}, Se servir d'une calculatrice pour trouver une matrice inverse, {"smallUrl":"https:\/\/www.wikihow.com\/images_en\/thumb\/0\/02\/Find-the-Inverse-of-a-3x3-Matrix-Step-10.jpg\/v4-460px-Find-the-Inverse-of-a-3x3-Matrix-Step-10.jpg","bigUrl":"https:\/\/www.wikihow.com\/images\/thumb\/0\/02\/Find-the-Inverse-of-a-3x3-Matrix-Step-10.jpg\/v4-728px-Find-the-Inverse-of-a-3x3-Matrix-Step-10.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"
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<\/div>"}, Comment calculer l'inverse d'une matrice 3x3, https://www.mathsisfun.com/algebra/matrix-inverse-minors-cofactors-adjugate.html, http://www.mathcentre.ac.uk/resources/uploaded/sigma-matrices11-2009-1.pdf, http://www.mathwords.com/c/cofactor_matrix.htm, http://mathworld.wolfram.com/MatrixInverse.html, https://people.richland.edu/james/lecture/m116/matrices/inverses.html, Pour une matrice 3x3, commencez toujours par calculer son déterminant, Si vous voulez en savoir plus ou vous rafraichir la mémoire sur les déterminants, lisez.