Question

if (a,b)=d and (a,b^n)=d' .what is the relationship between d and d'?

Answer 1

\[a)d \le d <d^n\]\[b)d'=d^n\]\[c)d'>d\]\[d)d'<d^n\]

Answer 2

???

Answer 3

what is the poset here? what is the equiv relation?

Answer 4

@ganeshie8 can you help me?