[問題] 一題數學
剛剛在算數學突然卡住
看起來好像不難
可是就....
已知f(x)=ax^5+bx^3+cx-4 若f(x)除以x+7時,餘式為3,則f(x)除以x-7時,其餘式為何?
[答案是-11]
剛好這題的詳解被我弄丟了
f(0)=-4在這裡有用處嗎?
麻煩大家為我解答這題
謝謝
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