Log in to add a comment

## Answers

### This Is a Certified Answer

Certified answers contain reliable, trustworthy information vouched for by a hand-picked team of experts. Brainly has millions of high quality answers, all of them carefully moderated by our most trusted community members, but certified answers are the finest of the finest.

The geometric mean is similar to the arithmetic mean (or average). The geometric mean of n terms is equal to the nth root of the n terms or :

So:

So x can be equal to 2 or 2/11. We check if these are extraneous roots (meaning they do not work).

When x = 2,

When x = 2/11

The only possible value of x is then 2.

So:

So x can be equal to 2 or 2/11. We check if these are extraneous roots (meaning they do not work).

When x = 2,

*This is true therefore x can be 2.*

When x = 2/11

*This is not true therefore x cannot be 2/11.*

The only possible value of x is then 2.