Question

if (x-1/x) =4 find the value of (x⁴ +1/x)​

Answer 1

Answer:

-2

Step-by-step explanation:

Answer 2

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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