Question

classify the 2-√5 as rational or an irational number ​

Answer 1

Step-by-step explanation:

let 2-√5 is a rational no

2-√5=P/q

-√5= P-2/q

-√5 is a irrational no,

p-2/q is a rational no

This is not possible

Our assumption is wrong

2-√5 is a irrational no

Answer 2

Answer:

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