Chapter 24: Problem 1
Find the sum of \(n\) terms of the series \(1^{2}+3^{2}+5^{2}+\ldots+(2 n-1)^{2}\)
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Chapter 24: Problem 1
Find the sum of \(n\) terms of the series \(1^{2}+3^{2}+5^{2}+\ldots+(2 n-1)^{2}\)
These are the key concepts you need to understand to accurately answer the question.
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Investigate the convergence of: (a) \(1+\frac{3}{2 \times 4}+\frac{7}{4 \times 9}+\frac{15}{8 \times 16}+\frac{31}{16 \times 25}+\ldots\) (b) \(\frac{1}{1 \times 2}+\frac{1}{2 \times 2^{2}}+\frac{1}{3 \times 2^{3}}+\frac{1}{4 \times 2^{4}}+\ldots\)
Show that the following series is convergent: \(2+\frac{3}{2} \cdot \frac{1}{4}+\frac{4}{3} \cdot \frac{1}{4^{2}}+\frac{3}{4} \cdot \frac{1}{4^{3}}+\ldots\)
Determine whether each of the following series converges or diverges: (a) \(\sum_{n=1}^{\infty} \frac{n}{n+2}\) (b) \(\sum_{n=1}^{\infty} \frac{n}{n^{2}+1}\) (c) \(\sum_{n=1}^{\infty} \frac{1}{n^{2}+1}\) (d) \(\sum_{n=0}^{\infty} \frac{1}{(2 n+1) !}\)
Find the range of values of \(x\) for which the following series is convergent: \(\frac{(x-2)}{1}+\frac{(x-2)^{2}}{2}+\frac{(x-2)^{3}}{3}+\ldots+\frac{(x-2)^{n}}{n}+\ldots\)
Find the range of values of \(x\) for convergence for the series \(x+\frac{2^{4} x^{2}}{2 !}+\frac{3^{4} x^{3}}{3 !}+\frac{4^{4} x^{4}}{4 !}+\ldots\)
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