百度试题 结果1 题目Find the values of k for which kx2 +2(k+3)x+k =0 has two distinct roots. 相关知识点: 试题来源: 解析 k-1.5 反馈 收藏
【题目】Find the value of k, if a - 1 is a factor of p(x)in each of the following cases:(1 p(x)=x^2+x+k(2 p(x)=2x^2+kx+√(27)](3 p(x)=kx^2-√2mx+1(4 p(x)=kx^2-3x+k 答案 【解析】(1)Solution:If r-1 is a factor of p(r), then p(1)=0By Fa...
Since x-2 is a factor of kx ^3-21x^2+24x-4, we havek(2^{3})-21(2^{2})+24(2)-4=08k= 40k=5.(2)(1)The coordinates of R=(0,15m^{2}-63m+72)The area of rectangle OPQR=(m)(15m^{2}-63m+72)=15m^{3}-63m^{2}+72m(2)If the area of rectangle OPQR is...
Find the value of k, if x – 1 is a factor of p(x) in each of the following cases:(1)p
百度试题 结果1 题目3) Find the value of k if lines represented by kx2+ 4xy- 4y2= 0 are perpendicular to each other. 相关知识点: 试题来源: 解析 k=4 反馈 收藏
If the polynomials 2x3+ax2+3x−5 and x3+x2−4x+a leave the same remainder when divided by x−2, find the value of a. View Solution If the polynomials 2x3+ax2+5andx3–x3−4x+a leave the same remainder when divided by x−2, find the value of a. View Solution If the ...
Find all value c that makes the function f continuous at x=2. \\ f(x)= \left\{\begin{matrix} x^2-4x+5 & x\geq 2 \\ c^2x-c & x<\ less than 2 \end{matrix}\right. Find the value(s) of k th...
Find the value of k, if (x-1) is a factor of 2x^4+7x^3-kx+7 01:18 Find the value of k, if (x-1) is a factor of 2x^(4)+7x^(3)-kx+7 01:18 Value of k for which x + k is a factor of the polynomial x^(3)+kx^(2)-... 02:42 If x+1 is a factor of the...
3 The curve C has equation y=2x^3+kx^2+kx-5 , where k is a real constant.(i) Find the range of values of k for which C has no stationary point.[4] (ii) Find the value of k if the normal to C at the point where x=-1 is parallel to the line x+4y=1.[3] ...
Find the value a > 0 such that the tangent line to the graph of f(x)= 2x^2e^{-x} at x = a passes through the origin. a= Find the equation of the tangent line to the graph of the given function at the given value of x. f(x) = sqrt(...