# Set theory

posted by
**Matrix School 2**
.

let U=[a,b,c....z],.A=[a,c,e,f,z,y],..

B=[e,x,y,z],.C=[j,k,l,e,f,y]

find

(i)(AUC)'

(ii) AU(B-A)

posted by
**Matrix School 2**
.

let U=[a,b,c....z],.A=[a,c,e,f,z,y],..

B=[e,x,y,z],.C=[j,k,l,e,f,y]

find

(i)(AUC)'

(ii) AU(B-A)