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It is simple. The value of j and k is the left diagonal for a square matrix is always eaqual whereas for the right digonal, the sum of j and k is equal to the number of rows/column int the matrix.
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Diagonal Difference
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It is simple. The value of j and k is the left diagonal for a square matrix is always eaqual whereas for the right digonal, the sum of j and k is equal to the number of rows/column int the matrix.