Bomarie02
Bomarie02 Bomarie02
  • 03-10-2019
  • Mathematics
contestada

Which of the following is a factor of 1331x³ - 8y³?

4
11x - 2y
121x² + 44xy + 4y²
121x² - 22xy + 4y²​

Respuesta :

BasketballEinstein
BasketballEinstein BasketballEinstein
  • 12-10-2019

Answer:

[tex]11x - 2y[/tex]

Step-by-step explanation:

Use the Difference of Cubes, [tex][a - b][{a}^{2} + 2ab + {b}^{2}] [/tex], to figure this out. Since −8 and 1331 are perfect cubes, you would simply take the cube root of everything to get this:

[tex]11x - 2y = \sqrt[3]{1331{x}^{3} - 8{y}^{3}}[/tex]

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