Aryan1078 Aryan1078
  • 01-01-2018
  • Mathematics
contestada

Prove that n^2 > 2n + 1 for all natural numbers n >= 3

Respuesta :

Hosein
Hosein Hosein
  • 01-01-2018

[tex] {n}^{2} - 2n - 1 > 0[/tex]
[tex]n = 3 > > 9 - 6 - 1 = 2 > 0 [/tex]
suppose the following is true
Answer Link

Otras preguntas

I have to substitute 4 to x+10=4x-2
I need help finding the answers someone plz help
In a certain country, private enterprises provide various goods and services. But the government provides free public transportation and electricity to its citi
the inequality Six times a number x is at least −24.
click on ot plz gelp me tgx so much
The escalating sectional crises over slavery in the 1850s contributed to the volatile tensions that arose during the 1860 presidential campaign. Abraham Linco
There are 6 milligrams of a radioactive substance in a lab in month 1. Each month, half of the radioactive substance loses its radioactivity. Which graph matche
The length of a rectangular dining hall is 8 feet less than twice it’s width. The perimeter of the room will be 134 feet. What are the dimensions of the dining
A gardener is planting two types of trees: Type A is 10 feet tall and grows at a rate of 23 inches per year. Type B is 9 feet tall and grows at a rate of 24
Not sure how to do this