11 Which among the sets is open? O [0,1) {0,...,1/n,...,1/3,1/2,1} None of the above. 12 Consider the following families of se indexed by the set of natural number Which among these is closed? OR\[a,b]
11 Which among the sets is open? O [0,1) {0,...,1/n,...,1/3,1/2,1} None of the above. 12 Consider the following families of se indexed by the set of natural number Which among these is closed? OR\[a,b]
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
Related questions
Question
For 11 and 12. Choose the letter of the correct answer
![11
Which among the sets is open?
[0,1)
{0,...,1/n,...,1/3,1/2,1}
R\[a,b]
None of the above.
12
Consider the following families of sets
indexed by the set of natural numbers.
Which among these is closed?
NA_n where A_n=(0,1+1/n)
NB_n where B_n=[0,1+1/n)
Uc_n where C_n= [(2n+1)/n, 3]
None of the above](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F1327fa96-415a-41dc-a247-5823993e3ffd%2F5b28057a-79a6-4f2b-91f8-ef84e6938a05%2F1myuqgc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:11
Which among the sets is open?
[0,1)
{0,...,1/n,...,1/3,1/2,1}
R\[a,b]
None of the above.
12
Consider the following families of sets
indexed by the set of natural numbers.
Which among these is closed?
NA_n where A_n=(0,1+1/n)
NB_n where B_n=[0,1+1/n)
Uc_n where C_n= [(2n+1)/n, 3]
None of the above
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