August 2018 2 45 Report
Ayuda en comprobación de este ejercicio para poder calcular la 1° derivada

Y= e^x -1 / e^x + 1

Desarrollo:

1)
......e^x - 1
y = ----------
......e^x + 1

Aplicando (1)

......(e^x - 1)*Dx(e^x + 1) - (e^x + 1)*Dx(e^x - 1)
y`= ----------------------------------------...
.............................(e^x - 1)²

Aplicando (2)

......(e^x - 1)*(e^x)(1) - (e^x + 1)*(e^x)(1)
y`= ----------------------------------------
......................(e^x - 1)²

factorizar e^x


.....e^x.[e^x - 1 - e^x - 1 ]
y`= -------------------------------
................(e^x - 1)²

cancelar y reducir


.........e^x.[-2 ]
y`= -----------------
.........(e^x - 1)²

multiplicar

.........-2e^x
y`= --------------- R/
.........(e^x - 1)²

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