Test Academy | A square matrix A = [aᵢⱼ]ₙₓₙ is called a lower triangular matrix if aᵢⱼ = 0 for i = j, i

Question

A square matrix A = [aᵢⱼ]ₙₓₙ is called a lower triangular matrix if aᵢⱼ = 0 for

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