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Q: If x + y + z = 18, xyz = 81 and xy+yz+zx = 90 then the value of (x3 + y3 + z3 + xyz) will be :
  • A. 1225
  • B. 1250
  • C. 1321
  • D. 1296
Correct Answer: Option D -
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Explanations:

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