Question

x=3+2√2 then find x+ 1/x ?​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

here x= 3+2 root 2

now 1/x = 1/3+2 root 2

now if you will rationalise 1/3+2root 2

so you will get 3-2 root 2.

x=3+2 root 2

1/x = 3- 2 root 2

Now adding both equations

x+1/x = 3+2 root 2 + 3- 2 root 2

x+1/x= 6

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