Question

Sets L and M are defined as follows.

L={-1,1,4,5,7,8)
M={1,2,7)
Answer each part below. Write your answer in roster form or as Ø.
(a) Find the union of L and M.

(b) Find the intersection of L and M

Answer 1

the union of l and m is minus 1,1,2,4,5,7,8.....and the intersection of l and m is 1.......