if x=1-√2,find the value of (x-1/x)⁴
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Step-by-step explanation:
if x=1- √2, then
(x-1/x)⁴=( 1-√2-1/1-√2)⁴
= (√2/1-√2)⁴
... = (√2)⁴/(1-√2)⁴
= 4/2-4√2+4
= 2/1-2√2+2
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