已知等差数列{an}和等比数列{bn}各项都是正数,且a1=b1,a2n+1=b2n+1,那么一定有 ( ...
问题详情:已知等差数列{an}和等比数列{bn}各项都是正数,且a1=b1,a2n+1=b2n+1,那么一定有 ( ) A.an+1≤bn+1 B.an+1≥bn+1C.an+1<bn+1 D.an+1>bn+1【回答】B知识点:数列题型:选择题...
问题详情:已知等差数列{an}和等比数列{bn}各项都是正数,且a1=b1,a2n+1=b2n+1,那么一定有 ( ) A.an+1≤bn+1 B.an+1≥bn+1C.an+1<bn+1 D.an+1>bn+1【回答】B知识点:数列题型:选择题...