Let A = [a b; c d] be a square matrix such that adj A = A. Then, (a + b + c + d) is equal to :

Question

MCQ (Single)Adjoint of a Square MatrixCBSE PYQ

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If A = [-2 0 0; 1 2 3; 5 1 -1], then the value of | A (adj. A) | is:

If A is a square matrix of order 3 such that the value of |adj·A| = 8, then the value of |Aᵀ| is :

Determinant of a Square Matrix

Adjoint of a Square Matrix

If A is a square matrix of order 3 such that |adj·A| = 8, then the value of |Aᵀ| is :

If A = [0 1 -1; 1 2 1; 0 3 -2], then the value of |A adj (A)| is :

Let A be a 3 × 3 matrix such that |adj A| = 64. Then |A| is equal to :

If A . (adj A) = [3 0 0; 0 3 0; 0 0 3], then the value of |A| + |adj A| is equal to :