Mathematics
22 Online
OpenStudy (anonymous):
help please
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OpenStudy (anonymous):
W is a neighborhood basis of a point x \[ \in\] X
if these holds except one.
OpenStudy (anonymous):
option A) ∀w\[\in \]W,w\[\in \]N(x)
OpenStudy (zzr0ck3r):
what is N(x)?
OpenStudy (anonymous):
option B) its an open set containing x
OpenStudy (zzr0ck3r):
that makes no sense....
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OpenStudy (anonymous):
or neighborhood of x
OpenStudy (zzr0ck3r):
so for all w in W we have that w is ALL N(x)? or just some N(x)?/??????
OpenStudy (anonymous):
it is an option. allow me post the remaining . this one might be the odd one
OpenStudy (zzr0ck3r):
lol ok man
OpenStudy (zzr0ck3r):
they are not giving you options that do not make mathematical sense...
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OpenStudy (anonymous):
ok you win. can we go to other questions because it seems i can't correct that
OpenStudy (anonymous):
please
OpenStudy (zzr0ck3r):
you can do what you want man
OpenStudy (anonymous):
If
xϵA¯
, then there exists a sequence
(xn)
of A such that
xn→x
is only true if X is a(an)
OpenStudy (anonymous):
options are
Countable
Metrizable
Hausdorff
Separation
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OpenStudy (anonymous):
i think B
OpenStudy (anonymous):
x element of a closed set A
OpenStudy (zzr0ck3r):
what would converge mean without a metric?
OpenStudy (anonymous):
i do not know
OpenStudy (anonymous):
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OpenStudy (anonymous):
sorry my bad .
OpenStudy (zzr0ck3r):
If you do not answer this question I will no longer help you.
Why are you copying them from some other source and then pasting them into word?
OpenStudy (anonymous):
sir, the source is my school learning portal and you can't log in without my password and id
OpenStudy (zzr0ck3r):
but you can take a screen shot.
OpenStudy (anonymous):
but i swear, thats how it is on my portal
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OpenStudy (zzr0ck3r):
Are you using explorer?
OpenStudy (anonymous):
its all same in all browsers
OpenStudy (zzr0ck3r):
give me a screen shot of the portal with the question up. Not copied to word.
OpenStudy (anonymous):
OpenStudy (anonymous):
@zzr0ck3r
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OpenStudy (zzr0ck3r):
what is the school portal called? I want to figure out why it is not displaying correctly
OpenStudy (zzr0ck3r):
You tried chrome?
OpenStudy (anonymous):
yes . its what i am even using now
OpenStudy (anonymous):
its tma.nou.edu.ng
OpenStudy (zzr0ck3r):
I got to bring my wife to the airport. Ill be back in an hour.
You are correct about metrizable option B
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OpenStudy (anonymous):
thanks and its 1 am here. please, should i wait till you return ?
OpenStudy (anonymous):