Question

if x=3+2√2 find the value of x+1/x ​

Answer 1

If x=3+2 root

Then by rationalizing 1/x= 3 - 2 root 2

Then 3+2 root 2+1/3-2 root 2

Which is 2 root 2 cancel

The answer should be 6

Answer 2

The answer is attached here.

the final answer is 6 I'm sorry.