Question

if o(g)=4 and o(h)=5 then find o(g×h) question solution​

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}}}