Why is (n-1)(n+1)=n^2-1?
Last Updated: 18.06.2025 06:34
The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2
Move the nub up to the top:
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What's wrong with white women?
n^2 - 1
The basic answer is that you cross-multiply the values in each factor:
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Why do very skinny girls get more male attention if it is true that men like curves?
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n^2 - n + n - 1
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What type of crossdresser are you?
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And you are left with almost a square. One less than the square of side n.
How do you confront your own family for not inviting you or leaving you out of things?
If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2
So, that’s a rectangle with sides 2 and 4.
(n - 1)(n + 1)
Why do people procrastinate and how can they stop?
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