Question

X^2+1/x^2 =38 then x^4+1/x^4 =

Answer 1

Step-by-step explanation:

The answer is 1442.

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Answer 2

Answer:

x^4+1/x^4

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

=(x^2+1/x^2)^2 - 2×x^2×1/x^2

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

=(38)^2 - 2

= 1444-2

= 1442

Step-by-step explanation:

first break that into square form then put the given information and it's done

hope it helps :)