XP Math - Forums - View Single Post

11-02-2007

Wait is that right?

If $x+\displaystyle\frac{1}{x}=3$ , what is $x^{3}+\displaystyle\frac{1}{x^3}$ ?

11-02-2007	#74
hunter34 Guest Posts: n/a	Wait is that right? If $x+\displaystyle\frac{1}{x}=3$ , what is $x^{3}+\displaystyle\frac{1}{x^3}$ ?