Teaching MPPSC Assistant Professor Mock Test Series 2025 Mathematical Science Algebra Integral Domain & its types
Given an integral domain D and an element a in D. Which of the following is a correct statement?
1
If a2 = 1, then a = 1 or a = -1
2
If a3 = 1, then a = 1
3
If a2 = a, then a = 0 or a = 1
4
a2 can never be less than 1