Suppose that a and b are real numbers such that a < b

Prove that, in the usual topology, both a and b are in the boundary of each of (a,b), [a,b], [a,b), and

(a,b], and that no other point is in the boundary.

 

in Other Math Topics by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

A WOULD BE ONE AND B WOULD BE TWO.
by

Related questions

0 answers
prove that finite product of compact spaces is compact
asked Apr 9, 2013 in Algebra 1 Answers by anonymous | 485 views
1 answer
Let A=[0,1]∪{2} be a subset of (R,τu )
asked Nov 15, 2015 in Other Math Topics by anonymous | 575 views
1 answer
Why do we not need to consider the cases x=0 or x=1 ?
asked Nov 15, 2015 in Other Math Topics by anonymous | 628 views
1 answer
topology continuous functions
asked Oct 28, 2015 in Other Math Topics by anonymous | 597 views
0 answers
In topology can you construct a polyhedron with 64 faces?
asked Jan 9, 2014 in Other Math Topics by Mike Musgrave | 491 views
0 answers
continues functions in topology
asked Aug 14, 2013 in Word Problem Answers by Shenbagavalli.N | 442 views
0 answers
how do u find the compact spaces in topology
asked May 9, 2013 in Algebra 1 Answers by anonymous | 461 views
0 answers
define constant path connected function
asked Apr 18, 2013 in Geometry Answers by anonymous | 467 views
0 answers
Suppose the two series of real numbers ∑ݑΰݑ۠and ∑ݑϰݑ۠are both
asked Sep 30, 2013 in Algebra 2 Answers by A.A.S.D.Maduwantha | 418 views
Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!

Most popular questions within the last 3000 days

  1. 50+50-25X0+2+2= (19)
  2. it takes 10 road workers 5 days to complete a road repair when working 2 hours a day.Working at the same pace,how many days will it take 2 people working 5 hours a day to finish it? (3)
  3. Solve 15 -1(12÷4+1)? (4)
  4. 8:4(5+2) (3)
  5. How can i represent 1/3; 3/3; 7/3; 10/3 and 15/3 on a number line? (1)

Most popular tags

87,516 questions
100,279 answers
2,420 comments
732,201 users