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

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

How did some people view African American soldiers early in the Civil War? A) In the North, African Americans were being sent to Africa so they didn't have t

What did the magi invent?

why does a person mostly likely reads an expository essay to

In which sealed container with the organisms be able to continuously cycle o2 and co2 gases A. A terrarium with a frog and pool of water B. An aquarium with fi

Choose the pronoun that would correctly replace the following subject and type it in the space provided. when you're talking directly to somebody

59 points Meiosis and mitosis help needed. I need the following things filled out for each.... MITOSIS: Begins with/ ends with: Occurs in: Results in: Type of

what is the purpose of the first paragragh of this section of the iroquois constitution

which of the following would not be considered an advantage of a sole proprietorship

What is the simplified value of the expression below? 1/3/2/3

Which of the following is usually the least disruptive (least serious) type of mutation if it occurs within a gene? A.) trinucleotide repeat B.) nucleotide inse