首页
已知数列log2(an-1)(n∈N*)为等差数列,且a1=3,a2=5,则=______...
试题详情
已知数列log
2(a
n-1)(n∈N*)为等差数列,且a
1=3,a
2=5,则
=________.
相关试题
-
已知数列{an}中,a1=,a2=并且数列log2(a2-),log2(a3-),…,log2(an+1-)是公差为-1的等差数列,而a2-,a3-,…,an+1-是公比为的等比数列,求数列{an}的通项公式.
-
已知各项为正的数列{an}中,a1=1,a2=2,log2an+1+log2an=n(n∈N*),则a1+a2+…+a2013-21008=________.
-
已知数列{log2(an-1)}(n∈N*)为等差数列,且a1=3,a2=5,则(++…+)=( )
A.2
B.
C.1
D.
-
已知数列{log2(an-1)}(n∈N*)为等差数列,且a1=3,a2=5,则(++…+)=( )
A.2
B.
C.1
D.
-
已知数列{log2(an-1)}(n∈N*)为等差数列,且a1=3,a2=5,则(++…+)=( )
A.2
B.
C.1
D.
-
已知数列log2(an-1)(n∈N*)为等差数列,且a1=3,a2=5,则=________.
-
已知数列{log2(an-1)}(n∈N*)为等差数列,且a1=3,a2=5,则=________.
-
已知数列log2(an-1)(n∈N*)为等差数列,且a1=3,a2=5,则=________.
-
已知数列{an}、{bn}满足a1=1,a2=3,,bn=an+1-an.
(1)求数列{bn}的通项公式;
(2)求数列{an}的通项公式;
(3)数列{cn}满足cn=log2(an+1)(n∈N*),求
-
已知数列{an}、{bn}满足a1=1,a2=3,,bn=an+1-an.
(1)求数列{bn}的通项公式;
(2)求数列{an}的通项公式;
(3)数列{cn}满足cn=log2(an+1)(n∈N*),求