Question

Express the following in a form free from logarithm:

2 log x - log y = 1

Answer 1

Consider the given equation 

2log x - log y = 1

⇒ logx² - log y = 1

⇒ `"log"(x^2/y)` = log 10

⇒  `(x^2)/y = 10`

⇒  x² = 10y