1.

If $$\left( {x + \frac{1}{x}} \right){\text{ = }}\sqrt {13} {\text{,}}$$then the value of $$\left( {{x^3} - \frac{1}{{{x^3}}}} \right)$$is = ?

A. 6
B. 7
C. 0
D. 6
Answer» E.


Discussion

No Comment Found