题意 求下式的值: Sn=⌈ (a+b√)n⌉%m S_n = \lceil\ (a + \sqrt{b}) ^ n \rceil\% m 其中: 0<a,m<215 0< a, m < 2^{15} 0<b,n<231 0 < b, n < 2^{31} (a−1)2<b<a2 (a-1)^2< b < a^2 解析 令: An=(a+b√)n A_n = (a +
Theorem Let α∈R be a real number. Let x∈R be a real number such that |x|<1 . Then: (1+x)α=∑n=0∞αn−n!xn=∑n=0∞1n!(∏k=0n−1(α−k))xn where αn− denotes the falling factorial. That i