If x - 1 by x = 4 , Find the value of x4 + 1 by x4
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Step-by-step explanation:
x-1/x=4
(x-1/x)^2 = 16
x^2+1/x^2 -2 =16
x^2+1/x^2 = 18
(x^2+1/x^2)^2 = 324
x^4+1/x^4+2=324
x^4+1/x^4=322
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