Asked by Anonymous
find the domain of (x+2)/x^3-16x
Answers
Answered by
Bosnian
all x ^ 3 different of zero
this mean :
all x different of zero
(- infinity , 0 ) U ( 0 , infinity )
this mean :
all x different of zero
(- infinity , 0 ) U ( 0 , infinity )
Answered by
Steve@Math
assuming the usual carelessness with parentheses, I see this as
(x+2)/(x^3-16x)
(x+2)/(x(x-4)(x+4))
so the domain is all reals except 0, -4, 4
(x+2)/(x^3-16x)
(x+2)/(x(x-4)(x+4))
so the domain is all reals except 0, -4, 4
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