Question

Let A={1,2,3,4,5} & B = {4,5,6,7 }
find.
1). (AUB) ∆A
2). (A ∆ B) ∆ B
3). A-(A ∆ B)​

Answer 1

Answer:

1)- (AUB)∆A={1,2,3,4,5,6,7}∆{1,2,3,4,5}={6,7}

2)- (A∆B) ∆ B = {1,2,3,6,7}∆{4,5,6,7}={4,5}

3)- A–(A∆B)=A– {1,2,3,6,7}={4,5}

Step-by-step explanation:

A∆B=(A-B)U(B-A)

Hopefully it's helpful