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You are not logged in. #451 20090326 03:59:04
Re: Brain Teasers#379. If the coefficients of x^{2} and x^{3} in the expansion of are the same, what is the value of 'a'? Character is who you are when no one is looking. #452 20090330 01:39:00
Re: Brain Teasers#380. Find the sum of all the three digit numbers divisible by 7. #382. Find the sum . #383. Find the sum of the series . Character is who you are when no one is looking. #453 20090718 01:10:09
Re: Brain TeasersHi ganesh; Answer given for #372 is not correct so here is mine. Last edited by bobbym (20090718 13:04:49) 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. #454 20100518 15:59:12#455 20100518 16:38:58
Re: Brain Teasers
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. #456 20100518 23:11:08
Re: Brain TeasersHi, Character is who you are when no one is looking. #457 20100518 23:35:32
Re: Brain TeasersThe solution to #372 is given you. I am sorry. Character is who you are when no one is looking. #458 20100519 00:55:21
Re: Brain TeasersHi ganesh; 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. #459 20100519 04:29:35
Re: Brain TeasersI am also getting 2. sorry about the bad latexing. Last edited by BO (20100519 04:42:50) #460 20100519 04:37:16#461 20100920 20:15:09
Re: Brain TeasersThe solution to 377 is perfect. Well done, BO. Character is who you are when no one is looking. #462 20100920 20:34:51
Re: Brain TeasersHi; 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. #463 20101115 20:02:28
Re: Brain Teasersdivide 34 into two parts in such way that 4/7 of one part is equal to 2/5 of the other #464 20101115 22:18:23
Re: Brain TeasersHi Bobby, Last edited by phrontister (20101115 22:44:03) "The good news about computers is that they do what you tell them to do. The bad news is that they do what you tell them to do."  Ted Nelson #465 20101116 05:07:05
Re: Brain TeasersHi phrontister; 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. #466 20101116 05:08:20
Re: Brain TeasersHi smadhurbain@yahoo.in; 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. #467 20101117 00:12:40
Re: Brain TeasersHi Bobby,
Very well, thanks, but waaaaaay too busy with work atm (and have been for ages) to do much other than that. Hardly got time to scratch, and forum participation has been relegated to the back burner. "The good news about computers is that they do what you tell them to do. The bad news is that they do what you tell them to do."  Ted Nelson #468 20101117 04:51:07
Re: Brain TeasersHi phrontister; 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. #469 20101117 05:48:17
Re: Brain TeasersHi ganesh; 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. #470 20110616 06:53:11
Re: Brain Teasershi ganesh 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 #471 20110826 06:25:35
Re: Brain Teasershi ganesh 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 #472 20110826 06:35:25
Re: Brain Teasershi ganesh Last edited by anonimnystefy (20110826 06:35:39) 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 #473 20110826 07:03:40
Re: Brain Teasershi ganesh Last edited by anonimnystefy (20110826 08:58:40) 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 #474 20110826 15:52:42
Re: Brain TeasersHi anonimnystefy, Character is who you are when no one is looking. #475 20110826 16:55:02
Re: Brain TeasersHi ganesh; 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. 