Question

17. Let A = {0, {0}, {0, {0}}}, where is a null set, then
(а) фCA, фєА, {0} eA, (Ф} с А
(b) ¢ ¢ A but o A
(c) {0} € A but {0} & A
(d) A is a null set​

Answer 1

Answer:

b

Step-by-step explanation:

please mark as brainly

Answer 2

Answer:

option b is right IHOP to under stand