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

5. Immediately after a used truck is acquired, a new motor is installed and the tires are replaced at a total cost of $5,750. Is this a capital expenditure or a
If $500 yields $51.76 in simple interest over 7yrs, what is the annual rate? Answer need to be rounded to the nearest thousandth
I NEED TO TURN IT IN 5 MINURGENT I AM GIVING MANY POINTS Past Tense - Match each subject pronoun with the correct –past tense conjugation below of the verb to b
This is a ray of light that strikes a surface. I need it plz
A key component of treating bulimia nervosa is helping the affected person recognize and change his or her maladaptive attitudes toward food, eating, weight, an
Explain the theories of 'unitarianism' and 'expansion' as these relate to the authorship of The Illiad.
Which of these best shows how different items compare to each other? A. A 3 column organizer B. A formal outline c. A bar graph D. A pie chart
Write a set of directions for a red blood cell to deliver oxygen to the brain. Include all the words in the word bank. Lungs, heart, brain, aorta, arteries, and
Graph the function f(x)=x^3-2x+7
Raven is reading at half past 7. Her dad sets a timer for 45 minutes so she knows when she needs to go to bed. What time does she go to bed?