Question

show that 5-√3 is irrationl number​

Answer 1

To, prove : 5-√3 is irrational

Proof: 

Let us assume that 5 -√3 is rational.

Let ,

 5 - √3 = r , where "r" is rational

5 - r = √3

Here,

LHS is purely rational.But,on the other

hand ,RHS is irrational.

This leads to a contradiction

.

Hence,5-√3 is irrational

Answer 2

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