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

How much of the North American continent does the USA and Canada occupy? 1/2 2/3 4/5 7/8
Tomas and Tasha were hiking at a speed of 3.5 mph. On their way back, they were tired and their speed was 2 mph. How long was the route if the way back took the
i need help i have hoco in a few days and if i have an F i can’t go
Describe the importance of analysing of car theft, indicating how such an analysis could aid the prevention of car theft?
Write as a single power of 8. 8 8 ÷ 8 − 7
HELP PLEASE ASAP NO LINKS!!!
Question in Pic, URGENT!!!!
News from around the region or Pacific ​
Let's suppose that this article could have a different title. The best one would be A. More Lightning Storms Reported in Yellowstone B. Blaze Proves To Benefit
What is the value of x? Thank you!