【判断题】In a Chinese dinner, when a younger one tap glasses for a cheer with a senior member, he should make sure that the edge of his drink is below that of the senior one’s
【简答题】若{a n }是公差d≠0的等差数列,通项为a n ,{b n }是公比q≠1的等比数列,已知a 1 =b 1 =1,且a 2 =b 2 ,a 6 =b 3 . (1)求d和q. (2)是否存在常数a,b,使对一切n∈N * 都有a n =log a b n +b成立,若存在求之,若不存在说明理由.