ajayidollyp
ajayidollyp
24-01-2017
Mathematics
contestada
2x-1÷(x²+1)²
4÷(x-1)(x²-1)
Respuesta :
papabravo02
papabravo02
24-01-2017
A. 2x^5+4x^3+2x-1
---------------------
(x^2+1)^2
B. 4
--------------
(x-1)^2(x+1)
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