if x=3+2√2 find the value of (x-1/x)^3
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Step-by-step explanation:
X = 3 -2√2
1/x = 1/(3 -2√2)
1/x = 3 +2√2
(x - 1/x)³ = { 3 -2√2-3-2√2}³
= (-4√2)³
=-4√2 × -4√2 × -4√2
= -128√2
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