Answer:

(1,3,4,5,6,)= (1,3,5,6) this is the answer

Step-by-step explanation:

first we find(AUB) THEN (AUB)'

AUB MEANS ALL NUMBER IN (A) AND (B) ARE ADDED ! FOR EXAMPLE (A HAVE - 123 AND B HAVE -456) THEN ANSWER IS (1,2,3,4,5,6)

NOW WE WORK ON ANSWER

(AUB)= 1,3,4,5,6 ! ( ' ) = THIS SIGN CALLED DASH.

DASH MEAN ONLY IN (A AND B)

(AUB)'=(1,3,4,5,6)

(A)' =(1,3)

(B)'=(5,6)

(A' B') =(1,3,5,6)

NOW THE ANSWER IS = (1,3,4,5,6,)= (1,3,5,6)