QUESTION 2 The set E = (3, + o ) U[-1, 4) u{-4} \S: %3D O Closed O Both open and closed O Open O Neither open nor closed QUESTION

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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QUESTION 2
The set E = (3, + ) U[-1, 4) u{-4} is:
O Closed
O Both open and closed
O Open
O Neither open nor closed
QUESTION 3
Let E = {
x+1
:XE[0, + ∞) }, then SupE= Max E.
O True
O False
Transcribed Image Text:QUESTION 2 The set E = (3, + ) U[-1, 4) u{-4} is: O Closed O Both open and closed O Open O Neither open nor closed QUESTION 3 Let E = { x+1 :XE[0, + ∞) }, then SupE= Max E. O True O False
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