3) List all the subsets of = {,, }.

4) Let = {1,2,3,4,5,6,7,8,9,10}, = {2,4,6,7,8}, = {1,2,5,8,6,9}, and = {1,3,7}. Find

the following.

a)

b)

c)

d) ^c

^{*please show me the formula or step by step on how you retrieved these answers. Thank you.}