cernayanci
cernayanci cernayanci
  • 23-11-2019
  • Mathematics
contestada

when 2x^3-3x^2+kx-1 is divided by x-1 the remainder is 2 find k?​

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 24-11-2019

Answer:

  k = 4

Step-by-step explanation:

The remainder theorem tells you that the remainder from division of f(x) by (x-1) is f(1). Evaluating the expression for x=1 gives ...

  2(1³) -3(1²) +k(1) -1 = 2 -3 +k -1 = k -2

We want this to be equal to 2, so ...

  k -2 = 2

  k = 4

Answer Link

Otras preguntas

really stuck on this question idrk why.. can anyone help me?
A 12 year old wide receiver suddenly develops muscle cramps during the fourth quarter of his school.s football game. This sports injury may have been cause by a
Darren arrived at school at 8:00 a.m. and left at 2:30 p.m. Dean arrived at school at 8:15 a.m. and left at 3:15 p.m. How much longer was Dean at school than Da
my brother wants answers and im too lazy lol but nigel has 2 dogs. one eats 2 1/2 pounds of food each week. the other eats 1 3/8 pounds each week. together how
Does the crime of aiding and abetting require intent?.
What is the main difference between using fixed versus living cells when observing the cell cycle?.
Fifteen less than the square of a number is the same as twice the number. Find the number.
How does the house exhibit “a mechanical paranoia"? Explain this phrase in your own words.
A car initially travels west with a kinetic energy of 10 J. Then it travels east at three times its original speed. What is its kinetic energy when it is travel
what is the opposite number of -7