A in space X -1,3) in E¹ 1. А A' 2. Int(A) 3.

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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A in space X
[-1,3) in E¹
(4,+∞0) in E
(-∞0, 4) U {5} in E
{,-5,-4,-3,-2,-1} U [0, +00) in
EL
A is the set of all points inside
and on the circle x² + y² =9 in
E²
A A'
1.
7.
13.
19.
25.
2.
8.
14.
20.
26.
Int(A) Ext(A)
3.
9.
15.
21.
27.
4.
10.
16.
22.
28.
Fr(A) Dense or
Not?
6.
12.
18.
24.
5.
11.
17.
23.
29.
30.
Transcribed Image Text:A in space X [-1,3) in E¹ (4,+∞0) in E (-∞0, 4) U {5} in E {,-5,-4,-3,-2,-1} U [0, +00) in EL A is the set of all points inside and on the circle x² + y² =9 in E² A A' 1. 7. 13. 19. 25. 2. 8. 14. 20. 26. Int(A) Ext(A) 3. 9. 15. 21. 27. 4. 10. 16. 22. 28. Fr(A) Dense or Not? 6. 12. 18. 24. 5. 11. 17. 23. 29. 30.
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