Question

If x + 1/x=√5, find the value of x^4 + 1/x^4.​

Answer 1

Answer:

X+1/x = 5

(x+1/x)² = x²+1/x²+2

(5)² = x²+1/x²+2

25-2 = x²+1/x² => 23

(x²+1/x²)² = x⁴+1/x⁴+2

(23)² = x⁴+1/x⁴+2

529-2 = x⁴+1/x⁴

527 = x⁴+1/x⁴

Step-by-step explanation:

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Answer 2

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