Asked by Laurie

Let "n" be a positive integer. How many points (x,y) in the coordinate plane are there such that x and y are integers and 0<y<x<n?

Answers

Answered by Scott
(n - 1)(n - 2)
Answered by Laurie
Scott, does mean that there is only one point for this problem?

Is it (2,1)

Can you explain why you set it up as 2 binomials? Any further explanation would be greatly appreciated..

Thank you so much.
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