Question

How do you evaluate squareroot(5) - squareroot(2)?

Answer 1

`sqrt 5-sqrt 2=0.821854415127`.

Explanation:

`sqrt 5-sqrt 2` cannot be simplified further, as both `5` and `2` are prime numbers.

However, you could use a calculator, in which case `sqrt 5-sqrt 2=0.821854415127`.