Sum of 10 terms of the progression `log 2 + log 4 + log 8 + log 6 + ….` is …………..

-log_8 log_4 log_2 16=

The solution set of the equation log (x + 6) - log 8 = log 9 - log (x + 7) is ______.

Find the values of each of the following : log 6 + 2 log 5 + log 4 - log 3 - log 2

(i) Show that (log 9)/2 + 2 log 6 +(log 81)/4 - log 12 = 3 log 3 .

Show that the progression loga, log(ab) , log(ab^(2)),log(ab^(3)), …. is an AP. Find its general term and the 10th term.

Let log(ab^(3)) , log(a^(3)b^(8)) , log(a^(6)b^(11)) are the first three terms of an arithmetic progression and the eighth term is log b^n Find the value of 70-n (n in N)