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

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#1 Re: Help Me ! » Generating Functions Problems » Today 14:01:35

That sure is ugly and totally impossible to understand. Makes me want to tear my few remaining hairs out ( check out my avatar ).

Please learn to latex up your math.

http://latex.codecogs.com/eqneditor/editor.php

First kids generating function:

Second kid:

Third kid:

Which coefficient do you compute?

#2 Re: Help Me ! » Simplify the following: » Today 13:50:11

Plug in 1 to your problem.

#3 Re: Introductions » Hi everyone! » Today 13:45:58

Ever heard of Fiedler?

#4 Re: Dark Discussions at Cafe Infinity » Religious discussion » Today 07:30:59

I disagree.

http://www.independent.co.uk/environmen … 42080.html

Looks like the first bit of intelligent journalism in ohh, about 100 years. Much better than their continued coverage of how much ole Bill G. is worth or the latest fashion trend painted on some rock star bimbo.

#5 Re: Introductions » Hi everyone! » Today 04:59:45

I think do you like carrot juice is the correct phrase.

#6 Re: Dark Discussions at Cafe Infinity » Religious discussion » Today 04:02:08

Hopefully, they pray better than they compute.

#8 Re: Introductions » Hi everyone! » Today 03:06:13

Welcome to the forum.

#11 Re: Help Me ! » Generating Functions Problems » Yesterday 14:50:29

Hi;

It looks like I am just doing your homework for you.

http://www.mathisfunforum.com/viewtopic.php?id=14654

I have given you the first couple but in order for you to learn you must try to do them yourself what have you done?
You obviously are in a pretty advanced course where they are throwing generating functions at you what have you learned? What have you tried?

#13 Re: Help Me ! » Simplify the following: » Yesterday 02:12:08

I need a little rest, so I will see you later. Sorry but I am exhausted.

#17 Re: Help Me ! » Simplify the following: » Yesterday 01:01:52

First change it so they are all powers of 3.

#20 Re: Help Me ! » Simplify the following: » 2014-09-18 09:22:16

But (a + b)^2 does not equal (a^2 + b^2)

#21 Re: Help Me ! » Permutation Problems » 2014-09-18 07:03:57

Expand[(1 + x + x^2/2 + x^3/6 + x^4/24 + x^5/120) (1 + x + x^2/2 + x^3/6 + x^4/24) (1 + x + x^2/2 + x^3/6)]

#22 Re: Help Me ! » Permutation Problems » 2014-09-18 06:57:06

Took one key click and everything is fine.

#24 Re: Help Me ! » Permutation Problems » 2014-09-18 06:38:09

Not the one in that quote...

#25 Re: Help Me ! » Permutation Problems » 2014-09-18 06:36:36

The gf is missing a brace.

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