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If roots of the equation ax^2 + bx + c = 0 are alpha/(alpha-1) and (alpha+1)/alpha and then (a+b+c)^2 equals
百度试题 结果1 题目8. If a,c≠0 and ca,B are the roots of the equationax^2+bx+c=0, then the quadratic equation with 1/α and1/B as itsroots is[J&KKCET] 相关知识点: 试题来源: 解析 +23/(20)÷4/1=6/2=47 反馈 收藏 ...
If a and B are the roots of the quadrati c ax2 + bx + c = 0, ( a # 0),determine the values of the following expressions in terms of a, b and c.① 1/α+(1)/β 四 1/(a^2)+1/(β^2) 相关知识点: 试题来源: 解析 m9= (0)1(—)= ()—()= /+= (18)...
Divide both sides of the equation 3ax2+3bx+3c=0 by 3 to get the equivalent equation ax2+bx+c=0 with the same roots. 如果ax2+bx+c=0的根是6和9,那么3ax2+3bx+3c=0的根是( ). A.2和3 B.6和9 C.18和27 D.−2和−3 将等式3ax2+3bx+3c=0的两边除以3,得到与ax2...
The roots are the y-values where the graph crosses the x-axis. To find the factors from the roots, consider what expressions would produce a value of zero. Thus, if the roots are at 0, -2, 3, and 5, then the factored form of this equation must be x(x+ 2)(x-3)(x -5...
百度试题 结果1 题目Pay attention to y=ax^2+bx+c(a≠0), and answer the question.If the two roots of this equation are m&n, which situation can be m0 orm>0, nNote: y=0 (I typed wrong.) 相关知识点: 试题来源: 解析 c/a<0 反馈 收藏 ...
Pay attention to y=ax^2+bx+c(a≠0), and answer the question.If the two roots of this equation are m&n, which situation can be m0 orm>0, nNote: y=0 (I typed wrong.)
(b) If every pair of equations x2+ax+bc=0,x2+bx+ca=0,x2+cx+ab=0 has a common root, then find the sum and product of these common roots.(c) If the three equations x2+ax+12=0,x2+bx+15=0 and x2+(a+b)x+36=0 have a common possible root, then find a and b ...
If the roots of Ax4+Bx3+Cx2+Dx+E=0 are α2, β2, γ2 and δ2, find the value of 3×B+C+DA. 已知方程3x4+9x2+5=0的4个根分别为α、β、γ和δ .若Ax4+Bx3+Cx2+Dx+E=0的四个根分别为α2、β2、γ2和δ2,求 3×B+C+DA的值. 相关知识点: 试题来源: 解析 85...