摘要:写出满足下列条件的数列的前5项.并归纳出通项公式. (1)a1=0,an+1=an+(n∈N*); (2)a1=1,an+1=(n∈N*). [解析](1)a1=0,a2=1,a3=4,a4=9,a5=16,an=(n-1)2. (2)a1=1,a2=,a3=,a4=,a5=,an=.
网址:http://m.1010jiajiao.com/timu3_id_566626[举报]
网址:http://m.1010jiajiao.com/timu3_id_566626[举报]