Question

Jika A={X,3,Z,7} dan B={Y,4,6,Z}
a. A U B
b. A n B

Answer 1

A. A u B = { 3, 4, 6, 7, x, z }
b. A n B = { z }

Answer 2

A = {X, 3, Z, 7}
B = {Y, 4, 6, Z}

A U B = {X, Y, Z, 3, 4, 6, 7}
A n B = {Z}