已知函数f(X9)=lnx-x+1(x[1,+无穷大)),数列{an}满足a1=e,(a(n+1))/an=e 1求数...已知函数f(X9)=lnx-x+1(x[1,+无穷大)),数列{an}满足a1=e,(a(n+1))/an=e1求数列{an}的通项公试an?2求:f(a1)+f(a2)+f(a3)+…f(an),3求证:1乘2乘3乘…乘n小于等于en^(n(n-1)/2)
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已知函数f(X9)=lnx-x+1(x[1,+无穷大)),数列{an}满足a1=e,(a(n+1))/an=e 1求数...
已知函数f(X9)=lnx-x+1(x[1,+无穷大)),数列{an}满足a1=e,(a(n+1))/an=e
1求数列{an}的通项公试an?2求:f(a1)+f(a2)+f(a3)+…f(an),3求证:1乘2乘3乘…乘n小于等于en^(n(n-1)/2)
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