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721

Q:

If $$ {x^4}+{1\over{x^4}}$$ then find $$ {x^3}-{1\over{x^3}}=?$$

  • 1
    80
  • 2
    79
  • 3
    78
  • 4
    76
  • Show Answer
  • Workspace

Answer : 4. "76"

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