Question

prove that the following are irrational 6+ root 2​

Answer 1

let x=6+√2

multiply sure on both side

(x)2=(6+√2)2

x2=36+2+12√2

x2= 38 +12√2

x2-38= 12√2

hence x2 is rational number

-38 is a rational number but 12√2 is irrational number . hence prove