[ éã³ã®æ°è«Â ] [ æ°å¦ã»ããã°ã©ãã³ã°Â ] [ 天æã»æ¦Â ] [ ã·ãªã¢èªã»Unicodeã»è©©Â ] [ ã¸ã§ã¼ã¯Â ] [ 漫ç»ã»ã¢ãã¡Â ] [ åå¹Â ] [ å²å¦ã»ãã¡ã³ã¿ã¸ã¼Â ] [ ãã©è£ï¼éè¨ï¼Â ] [ 主ãªæ°çã³ã³ãã³ã ] 2024-12-31ãã¹ãåå ¬å¼ã®4次ã»6次ã®å åã®æ ¹ è¤ç´ æ°ã®ç¯å²ã§ã (x2 + x + a)(x2 + x + b) = x4 + 2x3 + (a + b + 1)x2 + (a + b)x + ab ã¨å解ããã4次å¼ã¯ãä¿æ°ã 1, 2 ã¨å§ã¾ãã2次ã®ä¿æ°ã1次ã®ä¿æ°ãã 1 大ãããä¾ãã°ã6ä¹åã®å ¬å¼ã â { from k=1 to n } k6 = (1/7)n(n + 1)(n + 1/2)(n4 + 2n3 â n + 1/3) ã®4次ã®å åã¯ãã®æ§è³ªãæã¡ããã®ãã¨ãå©ç¨ããã¨ã4次ã®å åã®æ ¹ãç°¡åã«æ±ãããããåæ§ã®ææ³ã¯ï¼
{{#tags}}- {{label}}
{{/tags}}