|x+1 x–1; x²+x+1 x²–x+1| is equal to :

Question

MCQ (Single)Determinant of a Matrix of Order TwoCBSE PYQ

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If A is a square matrix of order 2 and |A| = -2, then value of |5A'| is :

Let f(x) = |x² sin x; p -1|, where p is a constant. The value of p for which f'(0) = 1 is :

Derivative of a Function

Determinant of a Matrix of Order Two

If |A| = |kA|, where A is a square matrix of order 2, then sum of all possible values of k is

For which value of x, are the determinants |2x −3; 5 x| and |10 1; −3 2| equal ?

If A and B are two square matrices of order 2 and |A| = 2 and |B| = 5, then |– 3AB | is :

If [x 2; 3 x−1] is a singular matrix, then the product of all possible values of x is :