subject
Mathematics, 31.12.2019 06:31 elizabethburkha

Let s βŠ† r be nonempty. prove that if a number u in r has the properties: (i) for every n ∈ n the number u βˆ’ 1/n is not an upper bound of s, and (ii) for every number n ∈ n the number u + 1/n is an upper bound of s, then u = sup s.

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 18:50
Which of the following values cannot be probabilities? 0.08, 5 divided by 3, startroot 2 endroot, negative 0.59, 1, 0, 1.44, 3 divided by 5 select all the values that cannot be probabilities. a. five thirds b. 1.44 c. 1 d. startroot 2 endroot e. three fifths f. 0.08 g. 0 h. negative 0.59
Answers: 2
question
Mathematics, 21.06.2019 20:00
Do,h = (7, 9) (14, 18) the scale factor is
Answers: 1
question
Mathematics, 21.06.2019 21:30
Select all the statements that apply to this figure
Answers: 2
question
Mathematics, 22.06.2019 00:00
Astocks price gained 3% in april and 5% in may and then lost 4% in june and 1% in july during which month did the stocks price change the most
Answers: 1
You know the right answer?
Let s βŠ† r be nonempty. prove that if a number u in r has the properties: (i) for every n ∈ n the nu...
Questions
question
Mathematics, 26.05.2021 22:00
question
Social Studies, 26.05.2021 22:00
question
Mathematics, 26.05.2021 22:00