Question

Evaluate each of the following in terms of x and y , if it is given x = log base2 3 and y = log base2 5 : log base2 15 , log base2 7.5 , log base2 60 , log base2 6750 .

Answer 1

$log_{2}(15) = x + y$
$log_{2}(7.5) = x + y - 1$
$log_{2}(60) = x + y + 2$
$log_{2}(6750) = 3(x + y) + 1$