If a 3\times 3 matrix is filled with +1's and -1's such that... — Quantitative Ability 2019

Question 13 Quantitative Ability 2019 Medium NAT +4.00 marks

If a \(3\times 3\) matrix is filled with +1's and -1's such that the sum of each row and column of the matrix is 1, then the absolute value of its determinant is...

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