Question

Please help my exam is going on please and both question of math​

Answer 1

Step-by-step explanation:

11) PnQ=QnP

or, {1,2,3}n{1,2,3,4,5} = {1,2,3,4,5} n{1,2,3}

or, {1,2,3} = {1,2,3} .Ans