# How do you solve #lnx+ln(x+1)=2#?

##### 1 Answer

#### Explanation:

Before beginning, note that we do not accept values less than

We will use the following properties of logarithms:

(1)

(2)

as well as the quadratic formula:

By (1)

Then, by (2)

Now we apply the quadratic formula with

But as noted at the beginning, we must have

Thus we are left with the answer