ayshadhilna1
ayshadhilna1 ayshadhilna1
  • 11-06-2016
  • Mathematics
contestada

Find the values of a and b so that the polynomial p(x)=x4+x3+8x2-ax+b is exactly divisible by x2-1.

Respuesta :

caylus
caylus caylus
  • 11-06-2016
Hello,
a=1 and b=-9

......|x^4|x^3|x²|x___|1
      | 1 | 1  |8  |-a.....|b
x=1|__|_1_| 2 |10...|10-a
-----| 1..| 2  |10|10-a| 10-a+b        ==>10-a+b=0
x=-1|---|-1_|-1| -9__| 
___| 1_| 1_|9.|1-a_|                ===>a=1 and b=-10+1=-9

Answer Link

Otras preguntas

What is the Privileges and Immunities Clause of the 14th Amendment?
PLEASE HURRY WILL GIVE BRAINLIEST
Choose the equation that represents a line that passes through points (−1, 2) and (3, 1). A)4x − y = −6 B)x + 4y = 7 C)x − 4y = −9 D)4x + y = 2
A small business decides to upgrade its aging phone system. The business will probably place a straight rebuy order. True or False
Use an integrating factor to solve the following first order linear ODE. xy' + 2y = 3x, y(1) = 3 Find the end behavior of y as x rightarrow infinity.
Compare sympathetic vs parasympathetic nervous system
The Manufacturing sector is the only sector where Lean manufacturing philosophy can be applied. a)- True b)- False
Mark the points with the coordinates (4, 14), (22, 6), and (16, 18). Connect the points to form a triangle.
HELPPP MEE PLEASE Zane if can’t see it u can zoom in
Let u = <-3, -5>, v = <-3, 1>. Find u + v. <-2, -8> <-8, -2> <0, -6> <-6, -4>