Question

If A={2,5,7, 8,9} and B= {7,8,10, 11}. Find A triangle B. ​

Answer 1

Answer:

a triangle b = a-b union b - a

Step-by-step explanation:

a-b = 2,5,9

b-a = 10,11

a-b U b-a = {2,5,9,10,11}