In the equal ratio sequence {an}, an ＞ 0 (n ∈ n *), common ratio Q ∈ (0, 1), and A3 + A5 = 5, and the middle term of the equal ratio of A3 and A5 is 2. (1) find the general term formula of the sequence {an}; (2) let BN = 5-log2an, the sum of the first n terms of the sequence {BN} be Sn, find the general term formula of the sequence {Sn}; (3) let TN = 1S1 + 1S2 + +1sn, find TN

In the equal ratio sequence {an}, an ＞ 0 (n ∈ n *), common ratio Q ∈ (0, 1), and A3 + A5 = 5, and the middle term of the equal ratio of A3 and A5 is 2. (1) find the general term formula of the sequence {an}; (2) let BN = 5-log2an, the sum of the first n terms of the sequence {BN} be Sn, find the general term formula of the sequence {Sn}; (3) let TN = 1S1 + 1S2 + +1sn, find TN

(1) And the middle term of the equivalence ratio of A3 and A5 is 2, and the Q ∈ (0, 1), A3 \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\- 1n + 1) TN = 1S1 + 1 S2++1Sn=2[（1-12）+（12-13）++（1n-1n+1）=2（1-1n+1）=2nn+1；

It is known that the common ratio of the equal ratio sequence {an} is Q

am=a1q^m-1 1
an=a1q^n-1 2
1 / 2, am / an = q (m-n)

If M + n = P + Q, then an * am=

ap*aq