# Question #a8045

##### 2 Answers

May 24, 2017

#### Explanation:

We know

We need to find a point in which

So, we let

From here, we just solve for C. Now, in a many cases, when we substitute *is no point in which #F=C#*

Let's solve this.

Factorize

We can check:

May 24, 2017

#### Explanation:

Let

Bring all

Divide both sides by