If the difference of the roots of the equation,x2+px+q=0be unity, then(p2+4q2)equal to:(1−2q)2(b)(1−2q)24(p−q)2(d)2(p−q)2 View Solution Ifα,βare the roots of the equationx2+px+q=0,then−1α,−1βare the roots of the equation (a)x2−px+q=0(...
百度试题 结果1 题目2 If the difference between the roots of the equation x'+ px + q = 0 is 3, show that 相关知识点: 试题来源: 解析 Some students did not write for the required equation. 反馈 收藏
2 If the difference between the roots of the equation x + px+ q = 0 is 3, show that p^2=4q+9 . 相关知识点: 试题来源: 解析 http://gallery.fbcontent.cn/latex?decode=false&latex=%24%24%5Cbegin%7Barray%7D%7Bc%7D%20%5Calpha%5E%7B2%7D%2B%5Cbeta%5E%7B2%7D%3D%5Cfrac%7B29...
If the difference between the roots of the equation x^2+""a x""+""1""=""0 is less than sqrt(5) , then the set of possible values of a is (1) (-3,""3)
If ,then the equation for has ( ) A. only one root. B. no root. C. infinite roots(无穷多个根). D. only one root or no root. 相关知识点: 试题来源: 解析由ax+b=0可得x=-,∵a2+b2>0,∴a、b不会同时为0,当a=0时,方程无解;当a≠0时,方程有惟一的解x=-,所以应选(D).反...
If a and B are the roots of the equation,7x^2-3x-2=0,tr en the value of a/(1-a^2)+β/(1-β^2) is equal to :C A1/(24) B(27)/(32) Correct Answer C(27)/(16) D3/8 相关知识点: 试题来源: 解析 C 反馈 收藏
百度试题 结果1 题目 If and 3 are the roots of the equation 7. , find the value of a and b. D A) 2 3. b6B) a -3. 6--6C) n 2. 6 5D)a-3.6-2E) None of these 相关知识点: 试题来源: 解析 D 反馈 收藏
百度试题 结果1 题目If the equation x has infinite roots,then .(英汉小字典:equation方程;infinite roots无数个根) 相关知识点: 试题来源: 解析 0解:,,,因为x有无数个根,所以,解得:,所以.故答案为0. 反馈 收藏
英语翻译if a and b is the roots of the quadratic equation x(2x-7)+1=0,form a quadratic equation in x whose roots are the neagtive of the reciprocals(倒数) of a and b 答案 如果a和b是二次方程×(2×7根)1 = 0,形成一元二次方程的根的倒数neagtive(倒数)的在x和b相关推荐 1英语翻译...
Quadratic Equation(二次方程式的问题)let k be a constant,if A and B are the roots of the equation x2 - 3x +k = 0,the A2 + 3B = ?k 是恒数,如果A和B是x 2- 3x+ k= 0的根,A2 + 3B = ? 相关知识点: 试题来源: 解析 因为A和B是x 2 - 3x+ k= 0的两个根,所以A+B=3,即B...