Question

A∆B = ( AUB) - ( A INTERSECTION B) = { 1,2,5,6}​

Answer 1

Answer:

6

Step-by-step explanation:

Union of two sets is combining of the sets with out the repetition of the elements of the sets

From the given sets A and B

AA UBUB

Can be : { 1,2,3,4,6,81,2,3,4,6,8 }

n(AUB)n(AUB) is the number of elements present in the result set of AA UBUB

i.e, 6