Question

Check (2 +√5)-(4+√5) as rational or irrational​

Answer 1

Answer:

rational

Step-by-step explanation:

=(2+$\sqrt{5}$)-(4+$\sqrt{5}$)

=2+$\sqrt{5}$-4-$\sqrt{5}$

=2-4

=-2

-2 is a rational number