Problem: If log(base a)5 = x and log (base a)7 = y, then log (base a) 1.4^(1/2) =? The answer is 1/2 x (y-x) (I hope you follow my notation) Thanks!
Follow Math Help Forum on Facebook and Google+
We have and and a target of Seems easiest to work backwards. as The task becomes getting in terms of and Best approach? Well, Think about your log laws here.
I used the subtraction rule to get 1/2(y-x)
View Tag Cloud