If f(x-1/x)=x^2+1/x^2 then f(x) is
(A) x² + 2
(B) x^2- 2
(C) x^2+1/x^2
(D) x^2-1/x^2

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Ответ:

isabellabetanco

17.10.2021

Mathematics

1)Any negative number above -5

2)it wouldn’t make sense since it’s a negative number unless you replace the dividend

Step-by-step explanation:

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If f(x-1/x)=x^2+1/x^2 then f(x) is (A) x² + 2 (B) x^2- 2 (C) x^2+1/x^2 (D) x^2-1/x^2