(本小题满分12分)等差数列{an}满足:a1=1, a2+a6=14;正项等比数列{bn}满足:b1=2,b3 =8.
(1)求数列{an},{bn}的通项公式an,bn;
(2)求数列{an·bn}的前n项和Tn.
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(本小题满分12分)等差数列{an}满足:a1=1, a2+a6=14;正项等比数列{bn}满足:b1=2,b3 =8.
(1)求数列{an},{bn}的通项公式an,bn;
(2)求数列{an·bn}的前n项和Tn.