Question

can anyone help me? also explain it​

Answer 1

Answer:

for first question it is the sign belongs to

for second question it is A is not equal to B 1.c,2.d

Step-by-step explanation:

1.it 2 is in the set A

2.Because A union ( A intersection B). the answer of (A intersection B) is B, And A union B is A is not equal to B