Question

If x = 1 - √2, find the value of
(x – 1/x)^3

Answer 1

Answer:

the correct answer is 24

Step-by-step explanation:

x=1-√2

1/x=1+√2

then x-1/x=1-√2-1-√2=-2√2

then (-2√2)²=4×2=8

then 8×3=24.

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Answer 2

hence the value which we get is 2√2.