Question

find (x-1/x)^3 if x = 1-√2​

Answer 1

Answer:

1

=

1−

2

1

⇒

x

1

=

1−2

1+

2

⇒−

x

1

=1+

2

⇒(x−

x

1

)

3

=(1−

2

+1+

2

)

3

=2

3=8

Step-by-step explanation:

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Answer 2

Answer:

X = 1-√2

Now 1/x = - √2 - 1

Now x-1/x = - 2√2

(-2√2)^3 = = - 8√2

Step-by-step explanation:

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