Practicing Success
Practicing Success
CUET Preparation Today
A is a square matrix of order 3 such that |A| = 13. The value of |-3A| is _____________. |
-39 -351 117 169 |
-351 |
The correct answer is Option (2) → -351 $|A| = 13$ $|-3A|=(-3)^3|A|$ $=-27×13$ $=-351$ |
