1.

If $$x = \sqrt 3 {\text{ + }}\sqrt 2 {\text{,}}$$then the value of $${x^3} - \frac{1}{{{x^3}}}$$is?

A. $10\sqrt 2 $$
B. $14\sqrt 2 $$
C. $22\sqrt 2 $$
D. $8\sqrt 2 $$
Answer» D. $8\sqrt 2 $$


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