Question

If A=2,5,7,8,9 and B=7,8,10,11 find A B

Answer 1

Step-by-step explanation:

Give =

A=(2,5,7,8,9) B (7,8,10,11)

find A DELTA B =?

WE KNOW THAT

A-B =the set of all elements which are in A only but not in B Elements belongs to A only

B-A the set of all elements which are in B only but not in A elements belongs to B only

A DELTA B= (A-B)U(B-A) {the set of all elements belongs to A and B BUT not in in both}

so ,

A={2,5,7,8,9}

B={7,8,10,11}

plz make me brainlist