The set X is an open set in the ambient metric space < R³,d >. True O False Reset Selection Rationale:

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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Part 1 of 5 - Part I
Given the set X = {x = R³: d(x, a) <r},
where d is the usual metric on R³.
The set X is an open set in the
ambient metric space
< R³,d >.
True
O False
Reset Selection
Rationale:
Que
Transcribed Image Text:Part 1 of 5 - Part I Given the set X = {x = R³: d(x, a) <r}, where d is the usual metric on R³. The set X is an open set in the ambient metric space < R³,d >. True O False Reset Selection Rationale: Que
Part 1 of 5 - Part I
E
Given the set X = {x = R³ : d(x,a) <r},
where d is the usual metric on R³.
If Be(x) is an open ball in the
set X, with its radius & satisfying
0 < ɛ ≤ r − d(x,a), \x¤ X
ensures that the open ball
Be (x) lies entirely inside the set
X. This proves that the set X is
an open set.
O True
O False
Reset Selection
Rationale:
▲ Questio
Transcribed Image Text:Part 1 of 5 - Part I E Given the set X = {x = R³ : d(x,a) <r}, where d is the usual metric on R³. If Be(x) is an open ball in the set X, with its radius & satisfying 0 < ɛ ≤ r − d(x,a), \x¤ X ensures that the open ball Be (x) lies entirely inside the set X. This proves that the set X is an open set. O True O False Reset Selection Rationale: ▲ Questio
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