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

14.06.2025 01:47

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

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

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Is Gupta Nilayam season 1 of Raghul Vasudevan completed? Can he compile and send all Episodes at once as a long story?

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If we do not know the name of the father of a child, e.g. a foundling, an illegitimate, etc., then to whom should the bin or the binti of the child's name be applied?

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

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

What are some things that children used to wait for, but are no longer common in today's society?

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

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

n^2 - n + n - 1

Can you turn 150 pages into a 5 minute presentation before a meeting?

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(n - 1)(n + 1)

Move the nub up to the top:

What discoveries in AI research have changed our understanding of intelligence evolution?

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