Asked by jh

Show that sum of two even function with the same domain is an even function.

15 years ago

Answered by Damon

f(x) = f(-x)
g(x) = g(-x)

h(x) = f(x) + g(x)
h(-x) = f(-x)+g(-x) = f(x)+g(x)
so
h(-x)=h(x)

15 years ago

Answered by jh

Thanks!!

15 years ago

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