Question

Is 2-√5 rational or irrational​

Answer 1

Answer.

2-root5 is an irrational number.

Step-by-step explanation:

This is because subtraction of rational and irrational number is always an irrational number.

Answer 2

Answer:

It is irrational.

Just use 2 instead of 5 and use

$\sqrt{5}$

instead of

$\sqrt{2}$