【题目】Find the value of k,if x-1 is a factor of p(x)in each of the following cases:(1)p
If x-1 is a factor of p(x), then p(1)=0 By Factor Theorem ⇒(1)²+(1)+k=0 ⇒1+1+k=0 ⇒2+k=0 ⇒k=−2 (2)Solution: If x-1 is a factor of p(x), then p(1)=0 ⇒2(1)²+k(1)+ √2=0 ⇒2+k+√2=0 ⇒k=−(2+√2) (3)Solution...
【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...
(1) Given that x2−x−1 is a factor of ax3+bx2+1, find the value of b.(2) Given that x4
Find the values of p and g such that x2+2x+7 is a factor of x4+px2+g.A.12,5B.15,35C.10,49D.10,35E.15,15 相关知识点: 试题来源: 解析 C2-|||-x-|||-2x-|||-+(p-3)-|||-x2+2x+7-|||-4-|||-x-|||-+-|||-px2-|||-+q-|||-x4+2x3+-|||-7x2-|||-...
百度试题 结果1 题目【题目】Given that x+ 1 is a factor of ax3+ bx2 + cx +d,find the relationship between a, b, cand d. 相关知识点: 试题来源: 解析 【解析】a+c=b+d
Although I looked into using a rather smooth loss landscape, sometimes it is necessary to visualize the landscape itself. The answer in sectionBelaborates on visualization. But, what if you want to use a smoother metric function? SectionDsheds some light on this. ...
解析 BLet f(x)=x+kx+6-|||-(1)-|||-Since we are given that x +2 is a factor of f(x),when x 2=0,or x=-2,f(x)=0.-|||-Thus f(-2)=0,or-|||-(-2)3+k(-2)+6=0-|||-→-|||--2k-2=0.-|||-Solving for k yields k=-1. ...
I am trying to find the width of a curve taken from the intensity vs x-index of an image (see below) at intensity = 1/e^2, essentially finding the beam diameter of a laser. The resulting plot is: The value of 1/e^2 is -...
r(t)=ti+4tj+t2k,u(t)=4ti+t2j+t3k Cross Product: Vectors are multiplied through two methods one is the dot product, and the other one is the cross product. Cross product is a method to multiply vector,...