gjeniprobibaj gjeniprobibaj

02-06-2020
Mathematics

contestada

If α and β are the zeros of quadratic polynomial x2 + 3x - 2, find the value of α3 + β3.

Respuesta :

TheLazyNobita TheLazyNobita

02-06-2020

Answer:

[tex]\alpha + \beta = -3/1 = -3 \\ \alpha \beta = -2/1 = -2[/tex]

[tex]\alpha ^3 + \beta ^3[/tex]

[tex](\alpha + \beta )^3 - 3\alpha\beta (\alpha + \beta ) \\ (-3)^3 - 3(-2)(-3) \\ -27 - 18 = -45[/tex]

Answer Link

Otras preguntas

6sin pi/18 - 8 sin³ pi/18= 1

Describe/Explain one unique or interesting feature of of the Stratosphere

How were the American people and businesses affected by the Depression?Select all correct answers.Families had little cash to buy goods Businesses hired new wor

what is a semi colen?

Joan made a graph modeling her income and costs for selling x loaves of zucchini bread at the farmers' market. After examining the graph, Joan determines that s

help me pls due tmrw

The line that passes through the points (-6, p) and (-10, 2) has a slope of -1/6. What is the value of p?

define the term mnemonics

The president of the student council wants to survey the student population. She decides to take a random sample of 100 students. She puts every student's name

Why pony boy identifies with the character pip in great expectations