How do you expand #log ([sqrt(x+1)]/(x^2+1))#? Precalculus Properties of Logarithmic Functions Common Logs 1 Answer Bdub Mar 22, 2016 #log ((sqrt(x+1))/(x^2 +1))##=1/2 log(x+1)-log(x^2+1)# Explanation: #log ((sqrt(x+1))/(x^2 +1))# #=logsqrt(x+1) - log (x^2+1)#-> use property #log_b(x/y)=log_bx-log_by# #=log(x+1)^(1/2) -log(x^2+1)# #=1/2 log(x+1)-log(x^2+1)# Answer link Related questions What is the common logarithm of 10? How do I find the common logarithm of a number? What is a common logarithm or common log? What are common mistakes students make with common log? How do I find the common logarithm of 589,000? How do I find the number whose common logarithm is 2.6025? What is the common logarithm of 54.29? What is the value of the common logarithm log 10,000? What is #log_10 10#? How do I work in #log_10# in Excel? See all questions in Common Logs Impact of this question 2685 views around the world You can reuse this answer Creative Commons License