Step by step video, text & image solution for IF the difference between the roots the roots of the equation x^2 +ax +1=0 is less than sqrt(5) then the set of possible values of a is by Maths experts to help you in doubts & scoring excellent marks in Class 12 exams. ...
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).反馈...
百度试题 结果1 题目 If , , and are the distinct roots to the equation . Find the sum of squares of , , and . 若、、和为方程的个不同实根,求、、和的平方和. 相关知识点: 试题来源: 解析 . 由韦达定理得,, 所以 . 反馈 收藏 ...
To solve the given problem, we need to find the equation whose roots are given in terms of the roots of the original cubic equation. Let's denote the roots of the original equation
几道英文题!第37页1.If the equation(方程) m(x-1)=2001-n(x-2) for x has infinite roots(无限个根) ,then m的2001次方+n的2001次方=2.We have the following numbers 9/5,12/7,27/17,36/19,54/29,the maximum (最大的)number
If the roots of the equationx2−2ax+a2−a−3=0are real and less than 3, then (a)a<2b.2<−a≤3c.34 View Solution The values of a which make the expressionx2−ax+1−2a2always positive for real values of x are- A.−23<a<23B.−23≤a≤23C.−23≤a≤1D.0<a...
Let be a constant. If the quadratic equation has equal roots, then ( ). 设为一常数.若二次方程有等根,则( ). A: . B: . C: or . 或. D: or . 或. 相关知识点: 试题来源: 解析 B Since it has equal roots, 因为方程有等根, (double roots)....
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
1.If the equation m(x-1)=2001-n(x-2) for x has infinite roots,then m的2001次方+n的2001次方=( ).(equation方程 infinite roots无数个根)2.We have the following numbers 9/5 12/7 27/17 36/19 54/29,the maximum number among them is( ),the min
If a and b are the roots of the equation x^2 - px + q = 0, find the value of 1/a + 1/b. Solve each equation by finding all roots. a) x^4 -81=0\b) 3x^3-10x^2+10x-4=0 Find all roots of the equation x^3 + 2x - 3 = 0, gi...