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 are examples of habitat destruction? Check all that apply.
which system of inequalities is graphed below
a county has an area of 215 square miles if the population density is 34.5 people per square mile what is the population
If 5 ib of pasta salad serves 14 people how much pasta salad should you bring to a picnic with 49 people
Molly's Custom Kitchen Supplies sells handmade forks and spoons. It costs the store $1.70 to buy the supplies to make a fork and $1.30 to buy the supplies to ma
Metamorphic rocks that melt in a holt fluid can recystallize into a different form of rock
Use the search engine of your choice and research the Good Samaritan Law for Alabama. Is this a good law? Why or why not?
what is the transfer of energy by electromagnetic waves
what does it mean for a water molecule to be polar
True or false: the price floor of $6 per pound of cheese reduces the total revenue of cheese producers.