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Prove Theorem 6.[Hint: Use either Definition 2 or the Squeeze Theorem. ]
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Calculus 2 / BC
Chapter 11
Infinite Sequences and Series
Section 1
Sequences
Series
Campbell University
Oregon State University
Baylor University
Idaho State University
Lectures
01:59
In mathematics, a series is, informally speaking, the sum of the terms of an infinite sequence. The sum of a finite sequence of real numbers is called a finite series. The sum of an infinite sequence of real numbers may or may not have a well-defined sum, and may or may not be equal to the limit of the sequence, if it exists. The study of the sums of infinite sequences is a major area in mathematics known as analysis.
02:28
In mathematics, a sequence is an enumerated collection of objects in which repetitions are allowed. Like a set, it contains members (also called elements, or terms). The number of elements (possibly infinite) is called the length of the sequence. Unlike a set, order matters, and exactly the same elements can appear multiple times at different positions in the sequence. Formally, a sequence can be defined as a function whose domain is either the set of the natural numbers (for infinite sequences) or the set of the first "n" natural numbers (for a finite sequence). A sequence can be thought of as a list of elements with a particular order. Sequences are useful in a number of mathematical disciplines for studying functions, spaces, and other mathematical structures using the convergence properties of sequences. In particular, sequences are the basis for series, which are important in differential equations and analysis. Sequences are also of interest in their own right and can be studied as patterns or puzzles, such as in the study of prime numbers.
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Prove Theorem 6.[Hint:…
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Prove the statement using …
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prove the statement using …
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Prove Theorem 6.
the're, um six states, the phone. If the limit of the absolute value and zero, then we must have that the limited and is also zero. Now let's go ahead and provide a proof of this fact. So note that the absolute value of Anne is bigger than an and Anne is also bigger than the negative of the absolute value This is for all in. So now let's take a limit as n goes to infinity on all three sides. So on the left hand side, the outermost side over here we can write This is negative, Lim absolute value a n so negative zero which is just zero from the given information. We know that this one also goes to zero. So by the squeeze their own the limit of this term in the middle has to be equal to the common value here. And since the lower and upper bounds or both zero, we conclude that the limited and is also zero, and that completes the proof
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