Express the following in term of sum (or difference)of logarithms:

Question

log (10A)/(7B^2)

Answer 1

log (10A)/(7B^2)
= log(10A) - log(7B^2)
= lof 10 + logA - (log7 + 2logB)
= 1 + logA - log7 - 2logB