Math, asked by Esehba, 1 year ago

prove that 5+2×√3 is an irrational number ​

Answers

Answered by priyanka5151
0

Answer:

If there will be a root in any equation that means it's a irrational number


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Answered by sakshi4474
1

Answer:

Let 5 +2√3 = p/q

where 'p' and 'q' have only 1as a common factor

2 \sqrt{3}  =  \frac{p}{q}  - 5 \\ 2 \sqrt{3 }  =  \frac{p - 5q}{q }  \\  \sqrt{3 }  =  \frac{p - 5q}{2q}  \\

Here, √3 is in the form of p/q which is a rational number, but as we known √3 is irrational number.

So, 5+2√3 is irrational number.

(proved)

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