Logo

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

10.06.2025 00:57

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

xxx x

xxx x

Move the nub up to the top:

What is the reason for The Acolyte (2024 series) having poor reception among Star Wars fans?

xxxx

xxx

xx

Can I use the LEG PRESS to build muscle?

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

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

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

US won't label China a currency manipulator amid tariff war - AP News

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

xxxx

n^2 - 1

Boisson Beats Andreeva, Updated French Open Women's Bracket at Roland-Garros - Bleacher Report

(n - 1)(n + 1)

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

n^2 - n + n - 1

Two of my family members have recently converted to Islam and have brought shame on my family. How do I get them back into the fold of Hinduism?

xxx