Math, asked by gureet16, 1 year ago

x=1-√2 find (x-1/x)³

Answers

Answered by Anonymous

0

Answer:

8

Step-by-step explanation:

x=1-√2

1/x=1/1-√2*1+√2/1+√2(rationalise)

=1+√2/(1-√2)(1+√2)

=1+√2/-1=-1-√2

(x-1/x)cube=1-√2+1+√2

=(2)cube

=8

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