Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Engineering Mathematics Linear Algebra Matrix Algebra
Let A and B are n-square upper triangular matrices of rank n - 1 then
1
ρ(AB) = n - 1
2
ρ(AB) = n - 2
3
ρ(AB) = 0
4
None of these
5
Question Not Attempted