Question

AU(BUC)
A
= 1234
B=
3456
C=
124567​

Answer 1

Step-by-step explanation:

AU(BUC)={1,2,3,4}U[{3,4,5,6}U{1,2,4,5,6,7}]

={1,2,3,4}U {1,2,3,4,5,6,7}

={1,2,3,4,5,6,7}