职教组卷基于海量职教高考试题库建立的在线组卷及学习系统
职教组卷
  • 题型:选择题 题类:其他 难易度:较易

    正项等比数列\(\{ a_{n}\}\)中,\(a_{3}{=}2{,}a_{4}{⋅}a_{6}{=}64\),则\(\dfrac{a_{5}{+}a_{6}}{a_{1}{+}a_{2}}\)的值是\(({ }{\ \ \ \ \ \ \ }{ })\)

    A. \(4\)                        B. \(8\)                          C. \(16\)                        D. \(64\)
  • 相关试卷