Why is (n-1)(n+1)=n^2-1?
Last Updated: 21.06.2025 06:18
The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2
And you are left with almost a square. One less than the square of side n.
n^2 - n + n - 1
What is the best time for conception?
n^2 - 1
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When a narcissist mad at their new supply, do they take it out on the old supply?
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So, that’s a rectangle with sides 2 and 4.
I dreamt my mother had died and I cried so much in my dream. What does it mean?
(n - 1)(n + 1)
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Why do boobs of some girls bounce when they walk?
If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2
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Move the nub up to the top:
What is the most inappropriate thing your wife has done in front of you?
The basic answer is that you cross-multiply the values in each factor: