Question

B = { 1,{2} }. Write P(B)​

Answer 1

Step-by-step explanation:

{1,2,3}

{1,2,3}Subsets of {1,2,3} are ϕ,{1},{2},{3},{1,2},{1,3},{2,3} and {1,2,3}

, P{1,2,3}={ϕ,{1},{2},{3},{1,2},{1,3},{2,3},{1,2,3}}