roccapm roccapm

13-03-2021
Mathematics

contestada

Show that n(n – 1)(n + 1) + 6n ≡ n3 + 5n

Respuesta :

FancyBun FancyBun

13-03-2021

Answer:

Explanation:

n(n - 1)(n + 1) + 6n = n^3 + 5n
n(n^2 - 1) + 6n = n^3 + 5n
n^3 - n + 6n = n^3 + 5n
n^3 + 5n = n^3 + 5n (proven)

Answer Link

Otras preguntas

William and Debra Pierce are celebrating their 20th anniversary by having a reception at a local reception hall. They have budgeted $2,000 for their reception.

Mark currently works part time with a salary of $8000 per year mark plans to quit working and attend college for four years if his college cost will total $64,0

Carpenter Corporation uses the weighted-average method in its process costing system. This month, the beginning inventory in the first processing department con

To find relative location, first find a reference point. Question 4 options: True False

Rueben is in a biology class and the professor tells the students to find a lab partner. Rueben immediately approaches an Asian classmate because Rueben believe

Matrix A is said to be involutory if A2 = I. Prove that a square matrix A is both orthogonal and involutory if and only if A is symmetric.

While not an official step in the process, Acetyl CoA formation is a transition between glycolysis and krebs, and occurs only in the presence of oxygen. A. True

I expect my senior year to... (1 and a half paragraph )

Common ratio 2/3, -2, 6

Mr. Cistern opened up a financial services company in a small close-knit retirement community. He promised large returns and little risk using his special syste