Question

ifx-1/x=5,find the value of x4+1/x4​

Answer 1

Answer:

x-1/x=5

squaring on both sides

(x-1/x)^2=25

x^2+1/x^2-2=25

x^2+1/x^2 =27

(x^2 +1/x^2)^2=729

x^4+1/x^4+2=729

x^4+1/x^4=727

Step-by-step explanation:

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