crmane1972
crmane1972 crmane1972
  • 04-06-2020
  • Mathematics
contestada

. If α and β are zeroes of x*2 – 4x + 1, then 1/α + 1/β – αβ is

3

5

-5

-3​

Respuesta :

nathanvasquez921
nathanvasquez921 nathanvasquez921
  • 04-06-2020
I think the answer is c -5
Answer Link

Otras preguntas

design a semiconductor resistor with specified resistance to handle a given current denisty a semiconductor at T=300k Nd=5×10^15 cm^-3 acceptors are to be adde
11. A person without the allele for sickle cell anemia has children with a person who is a carrier for sickle cell anemia but doesn't have the disease. what per
Name three other real-world situations where a strategy, "plan of attack, or "code of conduct" is agreed upon before a given situation occurs.
by what rational no. should -7/85 be multiplied to obtain 1/17?​
The measure of two sides of a triangle are given. If P is the perimeter, find the measure of the third side. P = 8x²+4x-1.
matt asked 28 people to see how they travelled to work. matt says "exactly 10% of the people in the survey said they travelled by train". explain why matt is wr
Answer now fast write answer down blow
rearrange w= 3(2a+b) -4 to make a the subject
Light from a helium-neon laser (? = 633 nm) is used to illuminate two narrow slits. The interference pattern is observed on a screen 3.2m behind the slits. Elev
Which claim does Paragraph 3 of the article best support? The destruction of sequoias for lumber is a serious and widespread problem. People must plant sequoias