【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 相关知识点: 试题来源: 解析 【解析】(1)Solution:If r-1 is a factor of p(r)...
find the value of k such that the line y=2x+k is a tangent tu the curve y=6x`2+4x 相关知识点: 试题来源: 解析 题目的意思应该是指,求出k的值,使得y=2x+k,是曲线y=6x2+4x的切线. 直线y=2x+k的斜率为2 对曲线求导可得:y'=12x+4 所以y'=2,得:2=12x+4 x=-1/6 代入曲线可得:...
百度试题 结果1 题目【题目】The gradient of the curve y=k at the point=9 is 18. Find the value of k. 相关知识点: 试题来源: 解析 【解析】4
百度试题 结果1 题目【题目】Find the value of k, E(X) E(Y) and E(XY)in the followingdistributions:X120.1kY70.10.2 相关知识点: 试题来源: 解析 【解析】0.6, E(X)=1.4,E(Y)=4.9, E(XY)=6.5
百度试题 结果1 题目【题目】If A(-3. 2), B(6, 8) and C(2, k) are colinea, find the value of k. 相关知识点: 试题来源: 解析 【解析】k=5号
【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...
百度试题 结果1 题目Find the value of k for which y=6x+k is a tangent to the curve y=7√x一道求切线的数学题 THX 相关知识点: 试题来源: 解析 在切点的斜率是6,先算出切点坐标,在得到k=49/24
百度试题 结果1 题目【题目】.20Given that∑r=r,find the value of k.r=】r= 相关知识点: 试题来源: 解析 【解析】-|||-k=14
Find the value of k, if x – 1 is a factor of p(x) in each of the following cases: (1)p(x)=x²+x+k (2)p(x)=2x²+kx+√??? (3)p(x)=kx²–√???x+1 (4)p(x)=kx²–3x+k 相关知识点: 试题来源: 解析 (1)Solution: If x-1 is a factor of p(x...
百度试题 结果1 题目find the value of k such that x-2 is a factor of kx³-21x²+24x-4 相关知识点: 试题来源: 解析 x-2=0时,kx³-21x²+24x-4=0。因此将x = 2代入,得8k - 21×4 + 24×2 - 4 = 0。k = 5