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 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

Fill in the blanks with an appropriate tense form. 1. When I opened my eyes, I ………………. A strange sight. Saw was seeing have seen
(5c^2 - 3c +9) - (2c^2 + 8c - 3)
Given m||n, find the value of x. + (8x-4)º (6x-12)
What is nine hundred in decimal form
Who spread Christianity after Jesus' death?
Graph x-y=10And don't just write a number, I need to know what points to plot on a graph lol
A bottle of laundry detergent costs $4.95 per bottle. If you have a coupon for $2.00 off and your total is $7.90, how many bottles of detergent did you buy? WRI
I dont know why it says im in high school im in middle school. But anyways can someone please explain how to get percentage.
which items are matter?
Which two ratios form a proportion? A) 6 3 and 9. 1 B) VOLON 6 and C) 6 and 9 3 ܕ D) 3 and vola