Question

Question-
Are they a rational number or not
1.
$\sqrt{5}$
2.
$\sqrt{4}$
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Answer 1

1. √5 - It is an irrational algebraic number.

2. √4 - It is a rational number.

Answer 2

Rational number are terminating and repeating.

Irrational numbers are non terminating and non repeating.

√5= 2.2360679775

It is terminating but not repeating.

so it is a irrational number.

√4= 2.0000000

It is terminating and repeating .

so it is a rational number.