If $$x=(\sqrt2+1)^{1\over3} $$, the value of $$(x^3-{1\over {x^3}}) $$ is
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Q:
If $$x=(\sqrt2+1)^{1\over3} $$, the value of $$(x^3-{1\over {x^3}}) $$ is
- 10false
- 2$$-\sqrt { 2} \ $$false
- 32true
- 4$$3\sqrt { 2} \ $$false
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