Question

x +1÷x=5 then x^4+1÷x^4 find x​

Answer 1

Answer:

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Answer 2

Answer:

x + 1/x = 5

Squaring on both sides

=> x²+1/x²+2(x)(1/x) = 25

=> x²+1/x²+2 = 25

=> x²+1/x² = 23

Squaring on both sides

=> x⁴+1/x⁴+2(x²)(1/x²) = 529

=> x⁴+1/x⁴+2 = 529

=> x⁴+1/x⁴ = 527