X=√2-1 find the value of (x-1/x)cube
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Step-by-step explanation:
(x-1/x)
={(✓2-1)-1/(✓2-1)}
=✓2-2/✓2-1
=✓2(1-✓2)/✓2-1
=✓2(1-✓2)/-(1-✓2)
=-✓2
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