Question

if |x+2| is ≤ 9. then find the solution set of x

Answer 1

Step-by-step explanation:

A={3,{4,5}}

The subsets of A are

∅,{3},{{4,5}},{3,{4,5}}

∴P(A)={∅,{3},{{4,5}},{3,{4,5}}}