Question

Hello

Are u ready for a question :-

Its race, let's see who answer feastest.

$if \: x \: = {2}^{ \frac{1}{3} } + {2}^{ \frac{2}{3} } \\ show \: that \: {x}^{3} - 6x = 6$
No vulgar answers plz!

Answer 1

Please see
I guess it to be correct

Answer 2

Heya..!!!

Given that:-


X = 2⅓ + 2⅔

On cubing both side

we get,

X³ = (2⅓)³ + (2⅔)³ + 3×2⅓×2⅔(2⅓ + 2⅔)

⇒x³ = 2 + 4 + 3×2(2⅓ + 2⅔)

⇒x³ = 6 + 6x

⇒x³ - 6 = 6x


I HOPE ITS HELP YOU