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

Find the volume of the triangular prism.
The sum of the three angles formed inside a triangle are equal to ____ degrees?
Help! I have no idea about these questions! munching a plum on the street a paper bag of them in her hand They taste good to her They taste good to her. T
How do you get an equation in slope intercept form through the points (-1,-2) and (1,4)
How would a bar magnet orient itself to this planet’s magnetic field A.) A B.) B C.) C D.)D
who has a course hero account?
find the probability of selecting a z score greater than -0.95
A lake may disappear for all the following reasons EXCEPT a.) Vegetation and sediment build up in the bottom b.) Precipitation exceeds evaporation c.) An outfl
which list shows the numbers in order from least to greatest? a. 4.5 × 104, 5.4 × 103, 5.4 × 104 b. 5.4 × 104, 5.4 × 103, 4.5 × 104 c. 5.4 × 103, 5.4 × 104, 4.5
Please help me I’m in desperate need