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

14.06.2025 03:20

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

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)

How do individuals become targeted individuals? Is it solely due to experiencing stalking or harassment, or are there other factors involved?

n^2 - 1

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Would you date a Muslim guy? Why/why not?

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

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

How did Neo defeat the architect at the end of The Matrix: Reloaded? Was it solely due to his belief in himself or were there other factors at play?

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

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How can someone effectively handle a targeted individual?

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Move the nub up to the top:

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Why do programmers choose to write their own code instead of using code that is already available online?

n^2 - n + n - 1