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tylervreeland022202
19.08.2019 •
Mathematics
For every positive integer n, the nth term of a sequence is given by a_{n} = \frac{1}{n} - \frac{1}{n + 1}. what is the sum of the first 100 terms of this sequence?
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Ответ:
The sum telescopes nicely:
Ответ:
Step-by-step explanation:
we know that
so
by proportion
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