Why is (n-1)(n+1)=n^2-1?

Last Updated: 02.07.2025 01:19

Why is (n-1)(n+1)=n^2-1?

Move the nub up to the top:

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n^2 - 1

The more direct answer is to look at a rectangle with sides of n + 1 and n - 1, let’s go with n = 2

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Is it okay if I am not interested to talk to any of my relatives as I saw the real faces in my brother's marriage as none of them helped us rather were a kind of disappointment and were talking bad?

(n - 1)(n + 1)

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How do you emotionally react to when others seem to feel sorry for you?

The basic answer is that you cross-multiply the values in each factor:

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And you are left with almost a square. One less than the square of side n.

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So, that’s a rectangle with sides 2 and 4.

If you cut off the end of that rectangle, you make it smaller, 2 * 3 and a separate nub of size 1 * 2

If the Red Pill is supposed to be so bad, why are so many young men buying into it? What about Red Pill makes it appealing to them?

n^2 - n + n - 1