The trace tr(A) of a matrix A = (a11 a12 a21 a22) is

Saluran Edukasion 2024-06-02T22:06:43

The trace tr(A) of a matrix A = (a11 a12 a21 a22) is defined by tr(A) = a11 + a22. Prove that: tr(A+B) = tr(A) + tr(B)
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The trace tr(A) of a matrix A = (a11 a12 a21 a22) is defined by tr(A) = a11 + a22. Prove that: tr(A+B) = tr(A) + tr(B)