EMLA Q.72
- Option : A
- Explanation :
By R2+R1; R3+2R2 and R4 + R3
Hence rank of matrix, A= 2
Nullity of matrix,
A= Number of columns of A - rank of A
= 3 - 2
= 1
By R2+R1; R3+2R2 and R4 + R3
Hence rank of matrix, A= 2
Nullity of matrix,
A= Number of columns of A - rank of A
= 3 - 2
= 1
