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

Which of the following expressions has a value of 4? A. (16 – 12)² B. – | – 4 | C. (96 ÷ 8) – 2³ D. 24 – 42
if x is th didit at tense place and y is the digit at ones place,the two digit number formed by these digits is.......................​
Help meh in this question​
Given f(x) = log2x, which of the functions below represents g(x) resulting from reflecting the graph of f(x) in the x-axis and shifting left by 2 units?
PLEASE HELP ME WITH THIS PROBLEM I WILL GIVE YOU THE BRAINLIEST PLEASE SHOW YOUR STEPS!!! (I'm trying to learn this for a test next week) Question: Sketch th
Answer of this all questions plz​
can anyone pls help me fill it pls
help me with this ixl pleaseeeeeeeeee
polygons are similar find the scale factor of the smaller figure to the larger figure​
7. Is 5.787787778... a rational or irrational number? Explain.