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If |–a b c; a –b c; a b –c| = kabc, then the value of k is :
If |A| = |kA|, where A is a square matrix of order 2, then sum of all possible values of k is
The value of |x+y, y+z, z+x; z, x, y; 1, 1, 1| is
The value of the cofactor of the element of second row and third column in the matrix [4 3 2; 2 −1 0; 1 2 3] is :
If A and B are two square matrices of order 2 and |A| = 2 and |B| = 5, then |– 3AB | is :
If aᵢⱼ and Aᵢⱼ represent the (ij)th element and its cofactor of [2 -3 5; 6 0 4; 1 5 -7] respectively, then the value of a₁₁ A₂₁ + a₁₂ A₂₂ + a₁₃ A₂₃ is :
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