[解題] 高二 數學 四次方程式
1.年級:高二
2.科目:數學
3.章節:不詳
4.題目:
y=f(x)=x^4+ax^3+bx^2+cx+d
對稱軸x=-2 求a+4b-c
5.想法:
弟弟問我 唸過就忘了...
要麻煩大家了>"<
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