Logo

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

13.06.2025 05:05

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

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

xxx x

Have you ever been humiliated in front of a group of girls and enjoyed it?

xxxx

xxxx

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

What are the common formulas for improvising ornaments in bel canto singing?

(n - 1)(n + 1)

n^2 - n + n - 1

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

What would it take for you to consider yourself a "Swiftie" like Flavor Flav?

xxx

n^2 - 1

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

People were exposed to measles at a Rochester Hills medical office, Oakland Co. warns - The Detroit News

xxx x

Move the nub up to the top:

xx

What makes girls masturbate?

xxx