Question

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

Answer 1

ℍⅈ ℱℛⅈℰℕⅅՏ

we have

X = 3+2√2

✨if yr question

is

[(X+1)/X]^3

then answer is -2-2√2

if yr question is [x-(1/X)] ^3

is 128√2

.•♫•♬•[ I hope it help you ❤️ ].•♫•♬•

Answer 2

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

hope it helps u