December 2023 1 10 Report
Ayuda plis:
3) Resolver:
[tex]\frac{(x+4)^{2}-(x+5)(x+3)-1 }{(x+2)(x-2)-(x+1)(x-1)}[/tex]
A) 1 B) 2 C) – 1 D) 0 E) – 2

4)Si: [tex]x-x^{-1} =5[/tex]
Calcular:[tex]x^{3} -x^{-3}[/tex]
A) 140 B) 110 C) 80 D) 120 E) 90

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