Question

plz answer this question if you are brainly​

Answer 1

Answer:

(a) irrational number

Step-by-step explanation:

$2 \sqrt{5} + 3 \sqrt{5} - \sqrt{5} \\ = 2 \sqrt{5} + 2 \sqrt{5} \\ = 4 \sqrt{5}$

As √5 is irrational. 4√5 Is also irrational.