query: How find a finite sum involving a geometric ratio times n (or any polynomial)
positive_passages.docid: 6416
positive_passages.text: How can I evaluate $\sum_{n=0}^\infty(n+1)x^n$?
negative_passages.docid: 98808
negative_passages.text: Finite Sum $\sum_{i=1}^n\frac i {2^i}$
negative_passages.docid: 57986
negative_passages.text: Sum of products of combinatorials
negative_passages.docid: 7302
negative_passages.text: $\sum k! = 1! +2! +3! + \cdots + n!$ ,is there a generic formula for this?
negative_passages.docid: 17638
negative_passages.text: Sum with binomial coefficients: $\sum_{k=0}^{n}{2n\choose 2k}$
negative_passages.docid: 24222
negative_passages.text: Sum of the squares of the reciprocals of the fixed points of the tangent function
negative_passages.docid: 91020
negative_passages.text: Applications of Gauss sums
negative_passages.docid: 145690
negative_passages.text: Quadratic algorithm for 4-SUM
negative_passages.docid: 114146
negative_passages.text: Polynomial in $n$ variables
negative_passages.docid: 4573
negative_passages.text: Explicitly finding the sum of $\arctan(1/(n^2+n+1))$
negative_passages.docid: 82069
negative_passages.text: How to explain the formula for the sum of a geometric series without calculus?
negative_passages.docid: 626
negative_passages.text: Sum of combinations with varying $n$
negative_passages.docid: 24000
negative_passages.text: Roots of Sum of Two Polynomials (with Known Roots)
negative_passages.docid: 91239
negative_passages.text: Sum of binomial coefficients involving $n,p,q,r$
negative_passages.docid: 57549
negative_passages.text: Finding the sum $\sum_{k=1}^rk^2\binom {n-k}{r-k}$
negative_passages.docid: 127459
negative_passages.text: Approximating a multinomial as $p(\xi_1,\ldots,\xi_N)\propto\exp\left(-\frac{n}{2}\sum_{i=1}^N\frac{(\xi_i-p_i)^2}{p_i}\right)$
negative_passages.docid: 117970
negative_passages.text: Find the minimal polynomial for $\sqrt[3]{2} + \sqrt[3]{4}$ over $\mathbb{Q}$