Question:
If $x=2^{1 / 3}+2^{2 / 3}$, show that $x^{3}-6 x=6$
Solution:
$x^{3}-6 x=6$
$x=2^{1 / 3}+2^{2 / 3}$
Putting cube on both the sides, we get
If $x=2^{1 / 3}+2^{2 / 3}$, show that $x^{3}-6 x=6$
$x^{3}-6 x=6$
$x=2^{1 / 3}+2^{2 / 3}$
Putting cube on both the sides, we get