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单词 Convergent Series
释义

Convergent Series

The infinite Series is convergent if the Sequence of partial sums


is convergent. Conversely, a Series is divergent if the Sequence of partial sums is divergent. If and are convergent Series, then and are convergent. If ,then and both converge or both diverge. Convergence and divergence are unaffected by deleting afinite number of terms from the beginning of a series. Constant terms in the denominator of a sequence can usually bedeleted without affecting convergence. All but the highest Power terms in Polynomials canusually be deleted in both Numerator and Denominator of a Series without affecting convergence. If aSeries converges absolutely, then it converges.

See also Convergence Tests, Radius of Convergence


References

Bromwich, T. J. I'a. and MacRobert, T. M. An Introduction to the Theory of Infinite Series, 3rd ed. New York: Chelsea, 1991.


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