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1. x2+1x2

  • A. 1
  • B. 1
  • C. 1
  • D. 1

Answer: Option A

Explanation:

X3 + 1/x3 = 0
Or, (x + 1/x)3 - 3(x + 1/x) = 0
Or, (x + 1/x)2 - 3 = 0
So, x2 + (1/x2) = 1

 

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