Question

which of the following is not an irrrational number?]
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Answer 1

Answer:

(2+root 5)(2-root5) is not an irrational number.

Answer 2

Hi Mate...✨

Greetings from our side !!

Pls mention ur question fully .....

I mean, among which we have to do the classification ??

I hope u got my point !!

Some extra info -

• Irrational numbers are often known as Irrationals.

• They are just the vice-versa of rationals i.e, the are number that are not in the form of $\frac{p}{q}$ where $q\neq 0$.

• Irrationals are non-terminating non-recurring in decimal form.

• For e.g :-

→ $\pi$

→ $\sqrt[]{2}$

→ $\sqrt[2]{3}$

→ $\sqrt[]{5}$...........and so many more

☆ Hope u got some help from the above info !!!