Recent content by elmers_

If log_2 (5) = x and log_2 (3) = y , determine an expression for log_2 (15/2), in terms of x and y. A. xy B. x + y C. xy - 1 D. x + y - 1 I'm suppose to solve this by hand but it doesn't seem possible. I tried so many ways but the does not come out as D. which is the answer Can someone...