Question 750120
x = log 3/5 , y = log 5/4 and z = 2 log 3 square root of 2/2,find the value of : x + y minus z
x+y-z={{{log(3/5)+log(5/4)-2log(3sqrt(2)/2)=log(3/5)+log(5/4)-log((3sqrt(2)/2))^2
=log(3/5*5/4/(18/4))=log(60/360)=log(1/6)}}}≈-0.7782..