Question

to prove that 5-√3 is irrational number​

Answer 1

This type of questionis have 2 marks

so,

we know that √3 is irrational

therefore,

5-√3-5

=>√3

Hence proved .....5-√3 is irrational

note: sign doesn't matter when the number is a root number

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Answer 2

Answer:

let us assum that 5-√3 is rational number so we can find two integers a , b. Where a and b are two co - primes number. So it arise contradiction due to our wrong assumption that 5 - √3 is rational number. Hence, 5 -√3 is irrational number.

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