#1 proof
if f is continuous on [0,1]
with f(0)=f(1),then 存在s屬於[0,1]such that
f(s)=f(s+1/2)
hint:use intermediate value theorem
#2 proof
if f is continuous on R with
f(x+180)=f(x) ,then
存在 s屬於[0,360) such that
f(s+120)=f(s)
hint:use intermediate value theorem
可以教教小弟我嗎?
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