03-04-2015
Mathematics

contestada

p(x) x^3+x^2-x-1

Find all zeros of p (x)

Respuesta :

konrad509 konrad509

03-04-2015

[tex]x^3+x^2-x-1=0\\ x^2(x+1)-1(x+1)=0\\ (x^2-1)(x+1)=0\\ (x-1)(x+1)(x+1)=0\\ (x-1)(x+1)=0\\ x=1 \vee x=-1[/tex]

Answer Link

Otras preguntas

Jennifer and Joshua meet for dinner at a restaurant. After dinner, Joshua drives 15 miles south while Jennifer drives 12 miles west. How far apart are they when

Jana continues training for a triathlon that includes a 112-mile bike ride. Today, she rode her bike 12 miles in 60 minutes. Then she ran for 15 miles in 2 hour

Which of the following is a clue that a chemical change has taken place?

explain why a fresh wound on the skin bleeds more on a hot day than a cold day

Read the map. A map titled Silk Road, circa 1st Century C E. A key shows Land Routes with a red line and Sea Routes with a blue line. Red lines travel east to w

What is the answer to this?

What is the distance between -24 and 9 on a number line?

In which language did Aryans write their poems and hymns? a. Sanskrit c. Vedic b. Indian d. Harappan Please select the best answer from the choices provided A B

so i went back to school (face to face) and i’m wondering what are some more safety precautions i should do when i get home from being around people

1,16,44,98,204,what next number