Math Is Fun Forum

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

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#926 Re: Puzzles and Games » Add 1, then say a username. » 2014-06-05 06:20:13

42 bobbym and n872yt3r

And, can we add that when the number is a multiple of 17, you say !!!!!jaiseattanype ?

#927 Re: Help Me ! » Trig Proof Help » 2014-06-03 05:00:54

Well, you get the middle term from the two middle terms of the previous line and the last term from the last term of the previous line.

#931 Re: Maths Is Fun - Suggestions and Comments » New Rules » 2014-05-29 06:22:49

I agree with everything Bob and bobbym said. I the end, they are the ones who decide, by guts or otherwise, whether someone should or should not be banned.

As for the "rules" 16 and 18, they are not very good.
Imagine this: a guy is wondering what the integral of something silly is, e searches Google and finds that it doesn't exist. He says: "Okay, guess I'll just move on". Now, on the other hand, if he comes to this forum, it just might happen that he will ask that and we will tell him it doesn't exist, but, say, bobbym also tells him it can be done numerically for a definite integral.Who knows, it might just interest him... smile
Rule 18 is similar.

#932 Re: Maths Is Fun - Suggestions and Comments » New Rules » 2014-05-28 12:21:43

Sorry, meant 4 and 5, not 5 and 6.

I don't see why anyone should not be able to offer money for a solution to a problem

#933 Re: Maths Is Fun - Suggestions and Comments » New Rules » 2014-05-28 11:43:34

5 and 6 are harsh and 9 is not really a rule. 14 doesn't make sense and 15 should have a clause where you can advertise with permission.

#935 Re: Dark Discussions at Cafe Infinity » X-Child Policy » 2014-05-27 07:41:35

Hi mathaholic

I do not see how what you said is a con really is a con? I guess it's just a matter of opinion because I do not support fatalism.

#936 Re: Introductions » Let us welcome zetafunc. » 2014-05-22 11:57:16

Hi zf

Welcome to the forum! It's nice that you finally became a Member!

#937 Re: Computer Math » An Integral and the Computer » 2014-05-22 02:11:14

Well, it is the exact answer even if he doesn't want it.

#940 Re: Help Me ! » Prove Divergence » 2014-05-21 20:20:01

It is not monotone.

Which test have you used?

#941 Re: Computer Math » An Integral and the Computer » 2014-05-21 20:03:01

Hi Agnishom

You can use this fact:

I would not recommend it, though.

#943 Re: Help Me ! » Prove Divergence » 2014-05-21 16:33:11

Heh, it' like Veronica Roth's book.

#945 Re: Help Me ! » Trig Proof Help » 2014-05-21 02:14:09

Really? That's cool. I'm not sure which character I have the most in common with.

#947 Re: Help Me ! » Properties of Integrals » 2014-05-21 01:48:46

Well, since you changed variables, you also need to change the limits of integration.

#949 Re: Help Me ! » Trig Proof Help » 2014-05-21 01:12:18

Agnishom wrote:
bob bundy wrote:

I've done this recently for someone else, maybe Agnishom??

Just looking it up.................

Bob

Yes, you have. Because my Watari gave me this sum and I gave Amrita this sum

Watari? Like from Death Note. smile

#950 Re: Help Me ! » Properties of Integrals » 2014-05-21 01:06:53

That is not correct. Mostly because h(x-2) is not equal to h(x)-2.

You should take the substitution u=x-2.

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