Question

Examine 10/2root5 is rational or irrational

Answer 1

Answer:

it is a irrational number as it cannot be written in the form of p/q and p and q are integers and q≠0

Answer 2

Answer:

1.

$10 \div 2 \sqrt{5}$

$5 \div \sqrt{5}$

we know that root 5 is irrrational and then hence

$5 \div \sqrt{5}$

is irrational