Question

x+1/x= square root 5 value of x⁴+1/x⁴

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

x+1/x = √5

(x+1/x)² = 5

x²+1/x²+2 = 5

x²+1/x² = 3

(x²+1/x²)² = 9

x⁴+1/x⁴+2 = 9

x⁴+1/x⁴ = 7