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Example (4):
If X = ]- 8 , 2[ and Y = [-1 , 5] , find using the number line:
1)X ? Y 4)Y – X 6) ??\
2)X n Y 5) ?? \
3)X – Y
Solution:
1- ]- 8 , ??]
2- [-?? , ??[
3- ]- 8 , -??[
4- [?? , ??[
5- [ ?? , 8 [
6- R - [-?? , ??[
1ST TERM MATH-PREP.2
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