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3 votes
3 votes
If x1 = 4, then x² + 1/x² =​

User Ra
by
2.3k points

1 Answer

23 votes
23 votes

Answer:

257/16

Explanation:

Given :

  • x¹ = 4

Then :

  • x² + 1/x²
  • (x¹)² + 1/(x¹)²
  • (4)² + 1/(4)²
  • 16 + 1/16
  • 257/16
User Antoine Dahan
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2.4k points