If `a in N` such that `a N={a x : x in N}` . Describe the set `3Nnn7Ndot`

If a in N such that aN={ax:x in N}] .Describe the set 3N nn 7N .

If a in N such that aN={ax:x in N} Describe the set 3N nn7N.

If aN = {ax : x in N} , then the set 3 N cap 7 N is

If a N = { ax : x in N} then the set 4N cap 6N is

If a N = { ax : x in N} then the set 4N cap 6N is

If a N = { ax : x in N} then the set 4N cap 6N is

If a N = { ax : x in N} then the set 4N cap 6N is

Let A={x:x in N and x is a multiple of 2}, B={x:x in N and x is a multiple of 5} and C={x:x in N and x is a multiple of 10}. Describe the sets (A nn B)nn C