d) do the intervals in the statement of the Nested Interval Theorem need to contain their endpoints for the theorem to hold? Explain your answer.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section: Chapter Questions
Problem 63RE
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part C and D

8. a) The Monotonic Convergence Theorem (MCT) states that if a sequence
of real numbers {an} satisfies
An < an+1 < M
Vn E N,
for some fixed value of the constant M, then such sequence converges to a
real number. Sketch the proof of the MCT and give 2 examples of sequences
that satisfy the hypotheses of the theorem, and two examples of sequences
that do not satisfy all of the hypotheses;
b) state and sketch the proof of the Nested Interval Theorem (NIT);
c) what is the most crucial ingredient of the proofs of the MCT and the NIT
above? Please, illustrate an algebraic ordered field and a counterexample for
which the above two theorems do not hold;
d) do the intervals in the statement of the Nested Interval Theorem need to
contain their endpoints for the theorem to hold? Explain your answer.
Transcribed Image Text:8. a) The Monotonic Convergence Theorem (MCT) states that if a sequence of real numbers {an} satisfies An < an+1 < M Vn E N, for some fixed value of the constant M, then such sequence converges to a real number. Sketch the proof of the MCT and give 2 examples of sequences that satisfy the hypotheses of the theorem, and two examples of sequences that do not satisfy all of the hypotheses; b) state and sketch the proof of the Nested Interval Theorem (NIT); c) what is the most crucial ingredient of the proofs of the MCT and the NIT above? Please, illustrate an algebraic ordered field and a counterexample for which the above two theorems do not hold; d) do the intervals in the statement of the Nested Interval Theorem need to contain their endpoints for the theorem to hold? Explain your answer.
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