If X=1-√2 then find (x-1/x)^2
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Step-by-step explanation:
(x-1/x)²
= ( 1-√2 - 1/(1-√2))²
= ( 1-√2 - (1+√2)/(1-2))²
= ( 1-√2 + 1 + √2)²
= 2²
= 4
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