Page 21 - E booklet prep 2_Neat

Example (3): 3) X – Y
4) Y –X
? If X = [1, 4[ and Y = {1 , 4} , find:

1) X ? Y
2) X n Y

Solution:

1- [?? , ??]

2- { 1 }

3- ]?? , ??[
4- { 4 }

1ST TERM MATH-PREP.2

21 | P a g e