(x−1)(x 2)(x−3)×⋯×(x 98)(x−99)(x 100)=0( ).A. −50 B. 50 C. −100 D. 100 相关知识点: 试题来源: 解析 A The sum of the roots is 1−2+3−4+⋯+97−98+99−100 =(1−2)+(3−4)+⋯+(97−98)+(99−100) =−1×50 =−...
百度试题 结果1 题目What is the sum of the roots of z12=64 that have a positive real part?( )A. 2 B. 4 C. √2+2√3 D. 2√2+√6 E. (1+√3)+(1+√3)i 相关知识点: 试题来源: 解析 D N/A.
what is the sum of the roots of 4x+3x-8=0? 相关知识点: 试题来源: 解析 两根和=-b/a,负四分之三 结果一 题目 what is the sum of the roots of 4x+3x-8=0? 答案 两根和=-b/a,负四分之三 相关推荐 1 what is the sum of the roots of 4x+3x-8=0?
试题来源: 解析 【解析】-|||-B 结果一 题目 【题目】4.What is the sum of the roots of the equation above?A)-6B)-3C)3D)6 答案 【解析】相关推荐 1【题目】4.What is the sum of the roots of the equation above?A)-6B)-3C)3D)6 ...
what is the sum of the roots of 4x+3x-8=0? 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多优质解析 解答一 举报 两根和=-b/a,负四分之三 解析看不懂?免费查看同类题视频解析查看解答 相似问题 what is the sum of 4 and if y is the sum of 3x and 5 more than x ,by what number doe...
The winters here are short and raw, the summers white with glare and fiery hot. If you walk along the main street on an August afternoon there is nothing whatsoever to do. The largest building, in the very center of the town, is boarded up completely and leans so far to the right ...
What is the maximum value of the sum of the roots of the equation (x−a)(x−b)+(x−b)=0?( )A.15B.15.5C.16D.16.5E.17 答案 DExpanding the equation and combining like terms results in 2x2−(a+2b+c)x+(ab+bc)=0. By Vieta's formula the sum of the roots is −[...
【题目】Leta,b,and c be three distinct one-digit numbers.What is the maximum value ofthe sum of the roots of the equation (x-a)(x-b)+(x-b)=0?()A.15B.15.5C.16D.16.5E.17 答案 【解析】D相关推荐 1【题目】Leta,b,and c be three distinct one-digit numbers.What is the maximum ...
【题目】What is the sum of the reciprocals of the roots of the equation20031x+1+一=0?()2004A.20042003B.-1C.20032004D.1E.20042003 答案 【解析】B相关推荐 1【题目】What is the sum of the reciprocals of the roots of the equation20031x+1+一=0?()2004A.20042003B.-1C.20032004D.1E...
Let f(x)=x^3-2x^2-19x+20, and f(1)=0,what is the sum of the squares of the roots of f(x)? 我来答 1个回答 #热议# 职场上受委屈要不要为自己解释?百度网友7a2bf4f 2017-03-05 · TA获得超过3767个赞 知道大有可为答主 回答量:6394 采纳率:87% 帮助的人:154万 我...