Math, asked by Nishadpatle84, 1 year ago

if x=1+√2 find the value of (x-1/x)^3

Answers

Answered by WonderGirl
4
x = 1 + √2

x - 1 = √2

Dividing the both sides by x,

(x - 1)/x = (√2)/x

Cubing on both sides,

[(x - 1)/x]^3 = 2√2/(x)^3

= 2√2/(1 + √2)^3.

-WonderGirl
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