# How do you simplify #-sqrt83#?

##### 1 Answer

Apr 4, 2016

#### Answer:

This expression is not simplifiable.

#### Explanation:

**Bonus**

#sqrt(83) = [9;bar(9,18)] = 9+1/(9+1/(18+1/(9+1/(18+1/(9+...)))))#

which you can use to give you rational *approximations*, e.g.

#sqrt(83) ~~ [9;9] = 9+1/9 ~~ 9.11#