# Question #cae1a

##### 2 Answers

#### Explanation:

Use the property

This implies that

However, if we substitute

The only real solution is

#### Explanation:

Remember:

[1]

[2]

...but neither

so this is an extraneous solution,

leaving only

Apr 12, 2017

Use the property

This implies that

However, if we substitute

The only real solution is

Apr 12, 2017

Remember:

[1]

[2]

...but neither

so this is an extraneous solution,

leaving only