COMEDK2024MathematicsMatrices
If A is a matrix of order 3 such that |A|=5 , then the value | adj A| is
Options
- A5
- B25
- C125
- D625
Correct answer
B. 25
Step-by-step solution
array ll | adj A|=|A|^ n-1 , where n is order | adj A|=(5)³⁻¹ | adj A|=25 array