【】設 f(x)=x5+2x4-x3+2x2-3x-2 ，g(x)=3x6+2x5+x4+x3+2x2+3x+1 ，若 H (x)=f(x)✖ g(x)，則下列關於H (x) 展開式的敘述何者錯

問題詳情

1.【】設 f(x)=x5+2x4-x3+2x2-3x-2 ，g(x)=3x6+2x5+x4+x3+2x2+3x+1 ，若 H (x)=f(x)✖ g(x)，則下列關於H (x) 展開式的敘述何者錯誤？
(A) 首項係數為3
(B)x9 項係數為2
(C) 各項係數和為-13
(D) 奇次項係數和為-9
(E) x7項係數為5

參考答案

答案：B[無官方正解]
難度：適中0.5
統計：A(0),B(3),C(0),D(0),E(0)

內容推薦

Some people have great determination.They can usually make their dreams come true.→______________
我們上學是為了學習有用的東西。We go to school (14)___ (15)___ (16)___ learn something useful.【題組】14
Our teacher is not angry because of our poor grades.Our teachr is angry because of our laziness.→
Parents should stop their children from playing in the street. (let)→____________________________
The task is a big c___e for Sandra. She will need determination and skill to finish it.
Andrew的媽媽要他洗碗盤。(請用過去式)Andrew’s mother (12)___ him (13)___the dishes .【題組】12
III. 句子合併與改寫10% (請小心改寫，錯一個地方全錯)This book sold 5,000 copies.This book sold 8,000 copies. (popular)
Mrs. Yao's c__r as a teacher started fifteen years ago, and she wants to spend the rest of h
The magic show was so a__g that the audience watched with their eyes wide open.
四、基於保護，雇主不得使童工及女工從事那些危險性或有害性工作？（25 分）