NDA2013MathematicsDeterminantsActual
What is the value of the minor of the element 9 in the determinant | array ccc 10 & 19 & 2 0 & 13 & 1 9 & 24 & 2 array | ?
Options
- A-9
- B-7
- C7
- D0
Correct answer
B. -7
Step-by-step solution
Minor of element 9= | array ll 19 & 2 13 & 1 array |=-7