Most Important Selected Qs for JEE AdvancedMathematicsDeterminants
If z= [ array ll O & 1 1 & 0 array ] where O, I are 2 2 null and identity matrix then det (|z|) is
Options
- A1
- B-1
- C0
- Dnone of these
Correct answer
B. -1
Step-by-step solution
|z|=0 0- 1=-l^2 det (|z|)= |-1^2 |=(-1)