Math, asked by shreyaa3072, 9 months ago

2-√5 check rational or irrational

Answers

Answered by mathsqueen11
1

Answer:

irrational

Step-by-step explanation:

because √5 is a irrational number and remember if you add poison in food it will also become poison you should learn this method teached by our teacher

hope you understood

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Answered by shorya5744
1

Answer:

let us assume that 2-√5 is rational

therefore, it can written in the form p/q

-√5=p/q-2

so, p/q -2 is rational and is equal to √5

but, this contradicts our assumption that √5 is rational.

Hence, 2-√5 is irrational number.

Hey buddy , this is the correct answer for your question.

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