Question

if x = 1-√2, find the value of x+1/x

please this is urgent!!

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Answer 1

Answer:

8

Step-by-step explanation:

Given,x=1+2.

Now,

(x−x1)³=(1+2−(1+21))³

=[1+2−(2+11)×(2−12−1)]³

=[1+2−(2−12−1)]³

=[1+2−(2−1)]³

=(1+2−2+1)³=2³=8

Answer 2

Answer:

-2√2

Explanation

Hoping that it is helpful.