Question

If x is 3+2root2 then find whether x+1/x is rational or irrational

Answer 1

Step-by-step explanation:

If x= 3+2√2

we find x+1/x

put the value of x

= 3+2√2 + 1 / 3+2√2

= 4+2√2 / 3+2√2

= 1.17 = 117/100

so , it is a rational no.

But ! I am not sure