Teaching Haryana (HPSC) Assistant Professor Mock Test 2025 Mathematical Science Algebra Group & Subgroups
Which of the following is a subgroup of (C, +).
1
(ℝ, +)
2
(G, +), where G = {π, r |r ∈ ℚ}
3
(G, +), where G = {i, r |r ∈ ℝ}
4
(G, +), where G = {πn |n ∈ ℤ}
5
Question Not Attempted