neniyurrr neniyurrr
  • 24-01-2020
  • Mathematics
contestada

if k is a constant, what is the value of k such that the polynomial k^2x^3 - 6kz+9 is
divisible by x-1?

Respuesta :

LammettHash
LammettHash LammettHash
  • 24-01-2020

[tex]x-1[/tex] divides [tex]p(x)=k^2x^3-6kx+9[/tex] if the remainder is [tex]p(1)=0[/tex]. (This is the remainder theorem)

Then we must have

[tex]p(1)=k^2-6k+9=(k-3)^2=0\implies\boxed{k=3}[/tex]

Answer Link

Otras preguntas

In what way can charge be like glue?
Find the unknown measure
An archer shot a 0.06 kg arrow at a target. The arrow accelerated at 5,000 m/s/s to reach a speed of 50.0 m/s as it left the bow. During this ACCELERATION, what
What is the axis of symmetry of the function f(x)=(x+5)(x-3)
Solve step by step 3^(2x+4)=17
Please help solve this problem
At a community college with five hundred students, 150 are English majors and 350 are math majors. If a simple random sample of fifty students was selected to r
Children would often be used for all the following except what? They could be paid less. They could only use orphans. They could be molded to do what the bosses
What countries invaded France in April, 1792? Why?
Hugo is buying DVDs that cost $15 each. He has a coupon for $5 off his total purchase. Write an equation to find the c the total amount he will spend on any num