Find the set of values of k for which the equat Onx^2+2x+11=k(2x-1)hantwodistinct real roots(6 marks)orSubmit AnswerSkip for Now 答案 AMAOC_2° Hence,thevalue_x0y Δhθu/dA be5Lk-相关推荐 1Find the set of values of k for which the equat Onx^2+2x+11=k(2x-1)hantw...
Answer to: Find the values of k so that the function f(x) = \left\{\begin{matrix} 2k^2x + 1 & x \gt 1 \\ k- 2 & x \lt 1 \end{matrix}\right. ...
解析 (k+1)x^2+2(k+3)x+(k+8)=0 f(x_1∈_9y_2c_200+x_3^2-4Ac=0 ⇒(2(k+3))^2-4(k+1)(k+8)=0 4/4(k+3)^2=4/4(k+1)(k+8) k^2+6k+9=k^2+9k+8 -1^2-6k-8⋅-1^2-6k-8 1=3K⇒|k=1/3
Find all the values of x such that the given series would converge. Sum of ((7x)^n)/(n^5) from n = 1 to infinity. Find all the values of x such that the given series would converge. Sum of ((6x)^n)/(n^3) from n = 1 to infinity. ...
【题目】1Find the value ofk such that x-2 is a factor ofkx3-21x2+24x-4.求k的值使得-2为kx3-21x2+24x-4的因式.2Figure shows the graph ofy=15x2-63x+72.Q isa variable point on the graph in the first quadrant.P and R are the feet of the perpendiculars from Q to the x-axis...
When the problem is to find the value of the variable for which the given series is converging, then we use the ratio test. The interval of convergence and radius of convergence is evaluated from the value of the ratio test.Answer and Explanation: Given serie...
Answer to: Find the value of x that maximizes f(x) = -x - \frac{1}{x}; \quad x \gt 0 By signing up, you'll get thousands of step-by-step...
(1) Find the value of k such that both the solutions to the equation are positive; (2) Find the value of k such that there is only one positive solution to this equation.相关知识点: 试题来源: 解析 设关于 x 的一元二次方程 x2−kx+k2−4=0 的两个实根为 x1,x2; Δ=(−k)2...
解析 a)两根大小相等,方向相反,设两根为X1和X2,则由韦达定理有X1+X2=-(K+1)/2,故-(K+1)/2=0,K=-1b)两根相等,则△=(K+1)^2-(K+1)=0得K=0或1c)一根为1,直接将1代入得1+(K+1)+(K+1)/4=0,解出K=-9/5d)两根互为相反数,意思和a......
答案是k大过或等于-6 相关知识点: 试题来源: 解析 The line x+3y=k-1 meets the curve y^2=2x+5Find value of k.翻译:直线x+3y=k-1和曲线y^2=2x+5相交,求k的值.即方程组x+3y=k-1 ,y^2=2x+5有解消元后是一元二次方程有解可用判别式来解. ...