akhroor121 akhroor121

13-09-2020
Mathematics

contestada

if a+b= -1 then the value of a^3+b^3 - 3ab= ?

Respuesta :

Hrishii Hrishii

13-09-2020

Answer:

-1

Step-by-step explanation:

[tex](a + b)^{3} = {a}^{3} + {b}^{3} + 3ab(a + b) \\ ( - 1)^{3} = {a}^{3} + {b}^{3} + 3ab( - 1) \\ - 1 = {a}^{3} + {b}^{3} - 3ab\\ \\ \huge \red{ \boxed{{a}^{3} + {b}^{3} - 3ab = - 1}}[/tex]

Answer Link

Otras preguntas

Funerary texts, such as the Book of the Dead, were often written on what Egyptian equivalent of paper?

How do you add the fractions 5/6 and 3/6?

What element is found in the liver

Which of the following choices best represents the organization of the executive branch of government? A. Senate, president, legislature B. Congress, bicameral,

What did the United States do in response to Japan's invasion of French Indochina? A. It declared war on Japan. B. It sent troops to help the French. C. It drop

You are pushing on a heavy door, trying to slide it open. If your friend stands behind you and helps you push, how have the forces changed? a. The net force ap

Which one of the following pollutants is responsible for the increase in skin cancer? A. Chlorine monoxide from automobiles B. Nitric oxide C. Polychlorinate

Contrasting How does internationalism differ from isolationism?

The purpose of the Freedman's Bureau was to A) provide 40 acres and a mule for each slave. Eliminate B) gain the vote for millions of former slaves. C) provide

mr tonneman buys one 2 pound lobster and 1 pound 4 ounces of shrimp. find the ratio the weight of the lobster to the shrimp