Question

find the adjoint of the matrixes[ -4 1 4, -3 0 4, -3 1 3]​

Answer 1

co-factors÷

a11= -4, a12=3, a13= -3

a21= -1, a22=0,a23= -1

a31=4 ,a32= -4, a33=3

minors÷

m11= -4, m12=-3, m13= -3

m21=1, m22=0, m23=1

m31=4, m32=4, m33=3

refer the 2 pics

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