Respuesta :

Answer:

Below.

Step-by-step explanation:

a) A  = {1, 2, 5, 10}

b) B = {1, 3, 5, 15}

c) A∩B = {1, 5}        ( elements common to  A and B).

d) A∪B = {1, 2, 3, 5, 10, 15}      (total elements in A and B).