lulu69331 lulu69331
  • 15-11-2017
  • Mathematics
contestada

Prove that 2 divides n2 + n whenever n is a positive integer.

Respuesta :

suadhreish suadhreish
  • 15-11-2017
When ever a variable and a number are side by side(n2, which means n times 2) we do the opposite operation, which in this case is to divide n and 2 which equals n
Answer Link

Otras preguntas

If the lengths of corresponding altitudes have the same ratio as the length of any pair of corresponding sides, the two triangles are similar. always sometim
what is the sum of -6 and 9?
Which ordered pairs are solutions to the equation? y = 3x – 4 A. (11, 5) and (2, 2) B. (5, 11) and (3, 2) C. (5, 11) and (2, 3) D. (5, 11) and (2, 2)
What were the three major reasons for founding the colony of Georgia?
Why is mitosis important in multicellular organism?
What is it called when a private landowner signs a contact agreeing that their land will not be developed?
What is the value of 7+3M-2 when M = 4?
A motorist traveled 311 miles on 12 gallons of gas. To the nearest tenth, how many miles can the motorist travel on one gallon of gas? A) 0.03 miles B) 23.8 mi
what does the author most likely mean by memory is an abstract painting
Liz is examining a plant cell under a microscope. She sees many small green organelles inside the cell. Her teacher explains that the process of photosynthesis