Question

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Answer 1

Answer:

Step-by-step explanation:

x+1/x = 5

Squaring both sides

(x+1/x)² = 5²

x² + 2 + 1/x² = 25

x² + 1/x² = 25-2 = 23

squaring both sides

(x² + 1/x²)² = 23²

x⁴ + 2 + 1/x⁴ = 529

x⁴ + 1/x⁴ = 529 - 2 = 527

 hope this helps

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