pat62
pat62
05-09-2017
Mathematics
contestada
F(x)=x-2/x^3+x find the domain
Respuesta :
ghanami
ghanami
10-09-2017
hello :
f exist : x^3+x
≠ 0
but :
x^3+x = 0
x (x²+1) =0
x= 0 x²+1 = 0 ( x² = -1 no reals solutions )
the domain is : D = ]-∞,0[
U
]0,+∞[
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