Teaching MPPSC Assistant Professor Mock Test Series 2025 Mathematical Science Algebra Rings & Ideals
The ring of Matrix S = \(\{\bigl(\begin{smallmatrix} 2a&0 \\ 0&2b \end{smallmatrix} \bigr)\ : a, b \in Z\}\) contains-
1
no divisors of zero without unity
2
divisors of zero with unity
3
no divisors of zero with unity
4
divisors of zero without unity