Question

if x=3+2√2 find the value of (x-1/x)^3​

Answer 1

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

Answer 2

Answer:

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