mail2193
mail2193
28-06-2017
Mathematics
contestada
Prove that the sum of two odd functions is odd.
Respuesta :
RickyChen
RickyChen
28-06-2017
Odd function: f(-x) = -f(x)
Let two odd functions be f(x) and g(x)
Let k(x) = f(x) + g(x)
Then k(-x) = f(-x) + g(-x) = -(f(x) + g(x)) = -k(x)
So k(x) is odd too.
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