已知数列{an}满足a1=1,a[n+1]=2a[n]+1(n∈N) 证明:n/2-1/3
已知数列{an}中满足a1=1,a(n+1)=2an+1 (n∈N*),证明a1/a2+a2/a3+…+an/a(n+1
已知数列{an}中满足a1=1,a(n+1)=2an+1 (n∈N*),证明n/2-1/3
已知数列{an}满足a1=1,an=a1 +1/2a2 +1/3a3 … +1/(n-1)a(n-1),(n>1,n∈N
已知数列{an}中满足A1=1,A(n+1)=2An+1 (n∈N*)用归纳法证明AN=2^N-1
已知数列{an}满足:a1=1,a(n+1)=2an+1(n∈N*),用数学归纳法证明:an=2^n-1
已知数列An满足A1=1,An=3^(n-1)+A(n-1)(n=>2).(1)求A2,A3;(2)证明An(3^n-1
已知数列{an}满足a1=1,an=3^(n-1)+a(n-1)(n∈N*,n≥2),证明an=(3^n -1)/2满足
数列证明,求通项公式已知数列{an}中,a1=1/3,an*a(n-1)=a(n-1)-an(n>=2,n属于正整数),
已知数列{An}满足A1=0.5,A1+A2+…+An=n^2An(n∈N*),试用数学归纳法证明:An=1/n(n+1
已知数列{An}满足A1=1,A=3(n-1)+A(n>/2)
已知数列{an}满足a1=33,a(n+1)-an=2n,求an/n的最小值
已知数列{an}满足a1=1,a2=2,a(n+2)=an+a(n+1),n∈N*(1)令bn=a(n+1)-an,证明