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Q:

यदि  $$x=(\sqrt2+1)^{1\over3} $$, है $$(x^3-{1\over {x^3}}) $$ का मान है-

  • 1
    0
  • 2
    $$-\sqrt { 2} \ $$
  • 3
    2
  • 4
    $$3\sqrt { 2} \ $$
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Answer : 3. "2"

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