网络没有实根;无真根
5Equation x2+2x-3=0 has ()(A)no real roots(B)two distinct real roots(C)two equal real roots(D)not sure5 Equation α"+2x-3=0 has( ). (A)no real roots (B) two distinct real roots (C)two equal real roots (D)not sure ...
百度试题 结果1 题目The equation kx^2+kx+3-k=0, where k is a constant, has no real roots.Show that 5k^2-12k0. 相关知识点: 试题来源: 解析 (split)&kx^2-4k(3-k)\&=k^2-12k+4k^2\&=5k^2-12k<0(split) 反馈 收藏
Answer Step by step video & image solution for If the equation ax^(2)+2bx-3c=0 has no real roots and ((3c)/(4))lta+b, then - by Maths experts to help you in doubts & scoring excellent marks in Class 11 exams. Updated on:21/07/2023 ...
An example of an equation with no solution is x = x + 5. An example of a system of equations with no solution is: x + 3y = 5 2x + 6y = 7. What is a system of equations that has no solution? A system of equations that has no solution is a set of functions for which ...
In the study of the domination roots of graphs, this naturally raises the question: which graphs have no nonzero real domination roots? In this paper we present some families of graphs whose have this property.doi:10.5614/ejgta.2018.6.1.2Somayeh Jahari...
【题目】5 EquatiOnx^2+2x-3=0haS ().(A)no real roots(B)two distinct real roots(C)two equal real rootsD)not sure 相关知识点: 试题来源: 解析 【解析】B 结果一 题目 【题目】5Equation x2+2x-3=0 has().(A)no real roots(B)two distinct real roots(C)two equal real roots(D)not ...
相关知识点: 试题来源: 解析 14 Since the cquationx^2-2x-m=0has no real roots, △_1=4+4m0 , that is m-1, so A2= -4m 0. Therefore, the equation x2+ 2mx + m(m+1)=0 has two distinct real roots. 反馈 收藏
词根: equ-相同(equal-equation) 词根: val- 强大(价值 value) 后缀: -ent 形容词后缀(different) 2. bureaucratic /ˌbjʊrəˈkrætɪk/ adj. 官僚的,官僚政治的 词汇: bureau 局(bu 不+real 真实 +u) 词根: crat- 管理, 统治(cry+at) ...
To solve the given equations and find the number of roots for each case, we will analyze them step by step.Step 1: Solve the equation \(x^2 \tan x = 1\) for \(x \in (0, 2\pi)\)1. Rearranging the equation gives us \(\tan