Question
8 of
100
Question Palette
Which of the following is true?
A
(N,+) is subgroup of (2,+1)
B
{1, −1} is a subgroup of the multiplicative group of non-zero rationals
C
{−1}G={1,w,w²} is a subgroup of multiplicative group
D
{1, −1} is a subgroup of G = {1, −1, i, −i} under multiplication
Correct Option:
B
Explanation
{1, −1} is a subgroup of the multiplicative group of non-zero rational numbers.
