N = B·C·ert/1+C·ert
N = C·B/C + e-rtGerard
3-4-2018
Deel teller en noemer door $e^{rt}$:
$
\eqalign{
& N = \frac{{B \cdot C \cdot e^{rt} }}
{{1 + C \cdot e^{rt} }} \cr
& N = \frac{{\frac{{B \cdot C \cdot e^{rt} }}
{{e^{rt} }}}}
{{\frac{{1 + C \cdot e^{rt} }}
{{e^{rt} }}}} \cr
& N = \frac{{\frac{{B \cdot C \cdot e^{rt} }}
{{e^{rt} }}}}
{{\frac{1}
{{e^{rt} }} + \frac{{C \cdot e^{rt} }}
{{e^{rt} }}}} \cr
& N = \frac{{B \cdot C}}
{{e^{ - rt} + C}} \cr
& N = \frac{{B \cdot C}}
{{C + e^{ - rt} }} \cr}
$
WvR
3-4-2018
#86011 - Formules - Student universiteit