(1)f(x)=, (2), 查看更多

 

題目列表(包括答案和解析)

f(x)=x2x,數(shù)列{an}的前n項和為Sn,點(n,Sn)(n∈N*)均在函數(shù)y=f(x)的圖象上.
(Ⅰ)求數(shù)列{an}的通項公式an;
(Ⅱ)令bn,求數(shù)列{bn}的前n項和Tn

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f(x)=x2x,數(shù)列{an}的前n項和為Sn,點(n,Sn)(n∈N*)均在函數(shù)y=f(x)的圖象上.

(Ⅰ)求數(shù)列{an}的通項公式an;

 (Ⅱ)令bn,求數(shù)列{bn}的前n項和Tn

 

查看答案和解析>>

f(x)=x2x,數(shù)列{an}的前n項和為Sn,點(n,Sn)(n∈N*)均在函數(shù)y=f(x)的圖象上.

(Ⅰ)求數(shù)列{an}的通項公式an;

 (Ⅱ)令bn,求數(shù)列{bn}的前n項和Tn

 

查看答案和解析>>

f(x)=x2x,數(shù)列{an}的前n項和為Sn,點(n,Sn)(n∈N*)均在函數(shù)y=f(x)的圖象上.

(Ⅰ)求數(shù)列{an}的通項公式an;

(Ⅱ)令bn,求數(shù)列{bn}的前n項和Tn

 

查看答案和解析>>

f(x)=x2x,數(shù)列{an}的前n項和為Sn,點(n,Sn)(n∈N*)均在函數(shù)y=f(x)的圖象上.

(Ⅰ)求數(shù)列{an}的通項公式an;

(Ⅱ)令bn,求數(shù)列{bn}的前n項和Tn.

查看答案和解析>>


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