A easy problem of quadratic equation 29.6.2024 Bruce-Claire 141 0 课堂实录 21.6.2024 Bruce-Claire 224 0 Claire的视频背后... 25.6.2024 Bruce-Claire 132 0 Chinese Remainder theorem 11.4.2024 Bruce-Claire 9611 1 How to prove ax+by=1 by using Chen Jingrun(陈景润)’s idea 2.2.2024 ...
A easy problem of quadratic equation 29.6.2024, 视频播放量 11676、弹幕量 2、点赞数 69、投硬币枚数 4、收藏人数 162、转发人数 19, 视频作者 Bruce-Claire, 作者简介 Born in June 2016, Claire's happy life.,相关视频:Fermat's Last Theorem for n = 4 1.9.2024,a
has two real solutions, What is the average of these two solutions?( ) A.1 B.2 C.ba D.2ba E.√2b−a相关知识点: 试题来源: 解析 A Dividing both sides by a, we get x2−2x+ba=0. By Vieta's formulas, the sum of the roots is 2, therefore their average is 1. We know th...
The quadratic equation of the standard form ax2+bx+c has two solutions. The solutions or roots of quadratic equations can be positive/negative, same/distinct, and real or imaginary. To determine the nature of the quadratic equation, we find the determinant. The determinant of the equation is ...
Given that for any rational number a, quadratic equation 2 x^2+(a+1) x-(3 a^2-4 a+b)=0 always has two rational roots for x, what is the value of b?相关知识点: 试题来源: 解析 b=1 因为对任何有理数 a, 关于 x 的二次方程 2 x^2+(a+1) x-(3 a^2-4 a+b)=0 ...
How do you know if a quadratic equation will have one, two, or no solutions? How do you find a quadratic equation if you are only given the solution? Quadratic Equation The general form of quadratic equation is {eq}ax...
How is it possible to determine if a quadratic equation will have one, two, or no solutions?Nature of Roots of Quadratic EquationThe discriminant of the quadratic equation can define the nature of the roots of a quadratic equation. The discriminant of the quadratic ...
**A.** a^2-5a=0 可分解为 a(a-5)=0,解得 a=0 或 a=5。 **B.** 9b^2=b+8 移项得 9b^2-b-8=0,分解为 (9b+8)(b-1)=0,解得 b=-1 或 b=8/9。 **C.** 6c^2-5c-21=0 分解为 (2c-7)(3c+3)=0,解得 c=7/2 或 c=-1。 **D.** 8/3d+5=-1/3d^2 移项并...
differential equations C. integral equations D. logarithmic E. quations 相关知识点: 试题来源: 解析 A。“Quadratic equation”(二次方程)属于代数方程(algebraic equations)。微分方程(differential equations)涉及导数;积分方程(integral equations)涉及积分;对数方程(logarithmic equations)涉及对数运算。反馈 收藏 ...
To solve a quadratic equation, we can use the ___ formula. A. linear B. quadratic C. cubic D. exponential 相关知识点: 试题来源: 解析 B。解二次方程可以用二次公式,quadratic 是二次的;linear 是线性的;cubic 是三次的;exponential 是指数的。反馈 收藏 ...