U={12 Months Of The Years}, X={March,May,July,August}, Y={January,June,July}, Z={September,October,November,December}, "1.Z=", "2.Xnz=", "3.(Yuz)=", 4

U={12 months of the years}

X={march,may,july,August}
Y={January,june,july}
Z={September,october,november,december}

1.Z=
2.XnZ=
3.(YUZ)=

4.XUY=
5.Y=
6X=
7YUZ=
8.XnZ=
9XUZ=
10.YUZ=

 

Answer:

1. Z= {January, february, march, april, may, june, july, august}