Question

prove that 2 root 3 -1 is irrational​

Answer 1

Step-by-step explanation:

let 2√3-1 be a rational number.

therefore2√3-1=x..... ( where x belongs to rational number. )

2√3-1=x

therefore 2√3=x+1

therefore √3= x+1 / 2

hence rational number = irrational number

but rational number is not equal to irrational number

Hence 2√3-1 is irrational number