Question

write the roster form of the {x:x is a factor of 42}
​

Answer 1

Step-by-step explanation:

Answer. Question : For A = {x|x is a prime factor of 42}, B ={x|5 < x ≤ 12, x ∈ N} and C = {1,4,5,6} verify A U (B U C) = (A U B) U C.