Question

considere os conjuntos x = { 1,2,3,4 },Y = { 1 }, z = { 3,5}. Determine: a)XUY = b)YUZ = c) ZUX = d)XUYUZ =

Answer 1

a) XUY={1,2,3,4}
b) YUZ={1,3,5}
c) ZUX={1,2,3,4,5}
d) XUYUZ={1,2,3,4,5}