Shanewampler64 Shanewampler64
  • 12-01-2020
  • Mathematics
contestada

If f(x)=2x^4-3x^3+2x^2+x-3, explain how you know that the equation f(x)=0 has at least one real root between x=1 and x=2

Respuesta :

ghanami
ghanami ghanami
  • 12-01-2020

Answer:

Step-by-step explanation:

by theorem :

f continu in [1 , 2]

f(1)×f(2) < 0 because : f(1) = -1 and f(2) = 15

so the equation f(x)=0 has at least one real root between x=1 and x=2

so :

Answer Link

Otras preguntas

Which language is not one of the official United Nations languages? French German Chinese English
The sequence 2, 3, 5, 6, 7, 10, 11, $\ldots$ contains all the positive integers from least to greatest that are neither squares nor cubes nor perfect fifth powe
What is the range? Please help
help answer question 3
The perimeter of the rectangle below is 184 m .What is the value of y
Two parallel lines are crossed by a transversal. What is the value of x? ??!!!??!!!!!????
i dont know any of these can anyone help me​
{8x + 9y = −3 6x + 7y = 1 What values of x and y satisfy the system of equations
How has technology been used to address issues related to sewage? O A. Sewage treatment plants use bacteria to clean water and solid waste before releasing it i
(01.02 MC)Which statement best explains the value of 12 − (−4)