Question

hey gyes answer this question fast

Answer 1

(x+1/x)^2=x^2+1/x^2+2(x)(1/x) (a+b)^2=a^2+b^2+2ab
(5)^2=x^2+1/x^2+2
25=x^2+1/x^2+2
25-2=x^2+1/x^2
23=x^2+1/2x^2

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