Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Mathematical Science Algebra Rings & Ideals
Let R be the ring of all matrices of order 2 × 2 over integers and S be the set of 2 × 2 matrices of the form \(\begin{pmatrix}a&0\\b&0\end{pmatrix}\) where a, b are integers then
1
S is the left ideal
2
S is the right ideal
3
S is both left and right ideal
4
none of the above
5
Question Not Attempted