有關ANF的精選大全

已知函數且an=f(n)+f(n+1),則a1+a2+…+a99等於(  )A.0   B.100 C.﹣10...
問題詳情:已知函數且an=f(n)+f(n+1),則a1+a2+…+a99等於()A.0   B.100 C.﹣101   D.﹣99【回答】C【考點】8E:數列的求和;3T:函數的值.【分析】函數且an=f(n)+f(n+1),可得a2n=f(2n)+f(2n+1)=4n+1,a2n﹣1=f(2n﹣1)+f(2n)=1﹣4n.可得a2n+a2n﹣1=2.即可得出.【...
設函數f(x)=8lnx+15x﹣x2,數列{an}滿足an=f(n),n∈N+,數列{an}的前n項和Sn最...
問題詳情:設函數f(x)=8lnx+15x﹣x2,數列{an}滿足an=f(n),n∈N+,數列{an}的前n項和Sn最大時,n=()A.15  B.16   C.17  D.18【回答】B【考點】數列的求和.【分析】求出f(x)的導數,由導數大於0,可得增區間;導數小於0,可得減區間,再計算f(1),f(8),f...
用ANF造句子,“ANF”造句
TheChangesofANFExpressionofCardiacMyocytesinExhaustedTrainingRats;Experimentstudyontrainingratbloodlacticacid,ANF,cortisolandinternalorgansindexlevelinfluencedbyMoxa;EffectofExhaustiveExerciseonDenseG...
熱門標籤