Question

help pls

Answer 1

@sirm3d

Answer 2

(c) \(\mathbb Z_{24}\) is cyclic. \[<1>=\mathbb Z_{24}\] under addition modulo 24. In fact, \[<n>=\mathbb Z_{24}\] whenever \[\gcd(n,24)=1\]

Answer 3

(a) \[<4>:H=\{4,8,12,16,20,0\}\\<6>:N=\{6,12,18,0\}\\H\cap N=\{0,12\}\]

Answer 4

so what is HN

Answer 5

how to approach it "HN"

Answer 6

DOES IT MEAN