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

What is the height of a rectangular prism with a volume of 80 cubic feet and a base area of 25 square feet?
Chromium metal can be produced by the following reaction: 3Si + 2Cr2O3 - 4Cr + 3SiO2 In an experiment where there is an excess of cr2o3, what mass (in grams) of
Why do you think omar stayed in bed for four weeks after he was discharged from the hospital?
What’s the next 3 numbers 0 10 1011 1031 102113 10311213
Edit the text. Add or remove inverted commas where appropriate. There are 6 errors to be corrected (3 pairs of ""). Use only "speech marks" (double inverted com
Lindsay Ann Learning The room was empty when she left. She could feel her memories echo behind her, like bullets in a war zone. Hallways, hallways, door, street
What type of social institutions do you think are most in need of change in the united states?
In hydraulic machine, how can you lift heavier load by using small magnitude of force?‍
Why doesn’t the total pressure increase when more gas is added to the chamber? (hint: what would you see if the volume of the chamber was fixed?)
In the given figure, XZ¯= 14 and YZ¯= 3. Find the measure of XY¯.