Why is (n-1)(n+1)=n^2-1?
Last Updated: 17.06.2025 10:24
xxxx
xxx x
If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2
Why does my ex boyfriend do this?
(n - 1)(n + 1)
xx
xxxx
Does centrifugal force teach us about gravity?
n^2 - 1
xxx
Move the nub up to the top:
xxx x
The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2
So, that’s a rectangle with sides 2 and 4.
What factors contributed to The Beatles' bitterness?
The basic answer is that you cross-multiply the values in each factor:
n^2 - n + n - 1
And you are left with almost a square. One less than the square of side n.
Are you offended if Democrats call Republicans "weird"?
xxx