Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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## #51 2013-09-23 01:51:06

bobbym

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### Re: Combinatorics

If you are not confident yet, it is because you need more work. Let's do some and then see.

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #52 2013-09-23 02:00:54

anonimnystefy
Real Member

Online

### Re: Combinatorics

Hi bobbym

Just a quick question: Have you seen the answer in the other thread?

The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #53 2013-09-23 02:11:02

bobbym

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### Re: Combinatorics

Yes, I have but unfortunately I am a bit tied up at the moment. Please hold and as soon as I clear this up I will be there.

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.

## #54 2013-09-23 02:17:59

anonimnystefy
Real Member

Online

### Re: Combinatorics

The limit operator is just an excuse for doing something you know you can't.
“It's the subject that nobody knows anything about that we can all talk about!” ― Richard Feynman
“Taking a new step, uttering a new word, is what people fear most.” ― Fyodor Dostoyevsky, Crime and Punishment

## #55 2013-09-23 03:04:21

bobbym

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### Re: Combinatorics

Hi Agnishom;

Here is the first gf problem I ever saw. Let's start right here.

How many ways can you pick  r balls from 3 green, 3 white, 3 blue and 3 gold?

In mathematics, you don't understand things. You just get used to them.
I have the result, but I do not yet know how to get it.
All physicists, and a good many quite respectable mathematicians are contemptuous about proof.