If A is a square matrix of order 3 and |A| is 2, then value of |adj(A)| is : Option 1: 1 Option 2: 2 Option 3: 4 Option 4: 8

The answer is '4'. View full solution:

CUET Mathematics - If A is a square matrix of order 3 and |A| is 2, then value of |adj(A)| is : | PYQs + Solutions

15 May Shift 1

Let $A = [a_{ij}]_{3 \times 3}$ such that $|A| = -5$ . Then the value of $\det(5A)$ is equal to

30 May Shift 1

If $A$ and $B$ are invertible matrices of order $3$ then match List-I with List-II

Choose the correct answer from the options given below:

7 Aug Shift 2

Let $A = (a_{ij})$ and $B = (b_{ij})$ are square matrices of same order.

(A) The number of possible matrices of order $2 \times 2$ with entries $-1, 0, 1$ is 81.

(B) $A + A'$ is skew symmetric matrix

(C) $A \cdot A^{-1} = 0$ , $|A| \neq 0$

(D) A is skew symmetric matrix if $a_{ij} = -a_{ji}$ for all $i, j$

(E) $(AB)' = A'B'$

Choose the correct answer from the options given below :