Question

哈士奇可愛

哪個微積分大神幫我看一下這證明可不可以！
又或是我可以從哪裡著手呢？~

只有你
編輯
3. Let f(x) be continuous for 0 SX S1. Suppose further that f(x)
assumes rational values only and that f(x) = 1 when x = 1. Prove that
f(0) = 4 everywhere.
suppose f(x) doesn't have fixed value
we have
"f(x) EQ
jf E= & q> do
vsoo for some fro+ f(20)
when Ix-xocs, I fix-fixos/>E
contradiction with flac is continuous
:56o has a fixed value
更多
新增到限時動態
III
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