CUET Preparation Today
If $A$ and $B$ are square matrices of order 3 such that $|A| = -1, |B| = 3$, then find the value of $|2AB|$. |
$-6$ $-8$ $-24$ $24$ |
$-24$ |
The correct answer is Option (3) → $-24$ ## $|2AB| = 2^3 \times |A| \times |B|$ $= 8 \times (-1) \times 3 = -24$ |
