enxisin325 enxisin325
  • 21-03-2021
  • Mathematics
contestada

If alpha and beta are two roots of the equation 2x^2 +kx+1=0,
find the values of k.

Respuesta :

Amarokwolf
Amarokwolf Amarokwolf
  • 21-03-2021

Answer:

αβ=c/a

α+β=-b/a

α+β=-k/2

-(α+β)²=k

-α²-2αβ-β²=k

-α²-2(1/2)-β²=k

-α²-1-β²=k

Step-by-step explanation:

Answer Link

Otras preguntas

Last year, Martina was in love with Robert, but they broke up a few months ago. Today in the mall, Martina smells someone wearing the same cologne that Robert a
help please- im not good at cross words
The price of an item yesterday was $60. today, the price rose to $129. Find the percentage increase​
Write the exponential equation with 2.7% decay rate and a starting value of (.25) Put the answer HERE pls. thankyou
what is an indirect speech
Which colony was Roger Williams a founder of?
In the 12th Century while in the Middle East during one of the battles the Normans invented a new type of cavalry tactic that will go on to be used in Europe th
150 is what % off 250
Triangle angle sum theorem for BRAINLY
Dark Romantics were spooky guys who liked to write short stories about loopy ladies. What is the tone of this passage?