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

14.06.2025 03:37

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

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

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What did Chandrashekhar Azad say about Hinduism during a podcast?

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

So I’m getting piano lessons and my teacher wants me to get an upright piano instead of a keyboard. An upright piano is way above my price range, so what do I do? And what’s the difference between an upright piano and a keyboard?

n^2 - 1

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

What is the process of becoming an Evangelical preacher? Is attending seminary school necessary? How long does it typically take? Is it financially challenging?

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.

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What are the best examples of reverse psychology?

(n - 1)(n + 1)

n^2 - n + n - 1

Move the nub up to the top:

Fossils show colonies of reptiles lived communally 250 million years ago - Phys.org

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