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You are not logged in. #26 20100929 06:12:43
Re: Integration by SubstitutionHi 123ronnie321; 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. #27 20101211 06:09:58
Re: Integration by SubstitutionSome similar solved examples on integration by substitution are available at http://www.math24.net/changeofvariable.html. Last edited by Raven66 (20101211 06:10:39) #28 20101211 12:40:46
Re: Integration by SubstitutionHi Raven66; 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. #29 20110421 20:04:39
Re: Integration by SubstitutionSecond try
#30 20110421 20:30:31
Re: Integration by SubstitutionHi 123ronnie321, "Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense"  Buddha? "Data! Data! Data!" he cried impatiently. "I can't make bricks without clay." #31 20110421 20:30:53
Re: Integration by SubstitutionHi 123ronnie321 Sorry, gAr, we were posting at the same time. 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. #32 20110421 20:45:38
Re: Integration by SubstitutionHi bobbym, "Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense"  Buddha? "Data! Data! Data!" he cried impatiently. "I can't make bricks without clay." #33 20110421 20:56:07
Re: Integration by SubstitutionYou know when I posed this was a long time ago. That is exactly what I did too. No one got it for a long time. Very good work! 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. #34 20110421 21:11:18
Re: Integration by SubstitutionYes, really a long time ago! "Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense"  Buddha? "Data! Data! Data!" he cried impatiently. "I can't make bricks without clay." #35 20110421 21:18:02
Re: Integration by SubstitutionHi bobbym, Last edited by 123ronnie321 (20110421 21:34:41) #36 20110421 21:26:14
Re: Integration by SubstitutionHi 123ronnie321, "Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense"  Buddha? "Data! Data! Data!" he cried impatiently. "I can't make bricks without clay." #37 20110701 21:23:07
Re: Integration by Substitutionhi everyone Last edited by anonimnystefy (20110701 23:02:09) 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 #38 20110701 21:27:49
Re: Integration by Substitutionhi Last edited by anonimnystefy (20110701 21:40:13) 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 #39 20110701 21:40:03
Re: Integration by Substitutionhi 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 #40 20110701 21:44:37
Re: Integration by Substitutionhi 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 #41 20110701 21:50:44
Re: Integration by SubstitutionHi; How do you integrate sin(u)? 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. #42 20110701 23:02:38
Re: Integration by Substitutionhi bobbym 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 #43 20110701 23:06:25
Re: Integration by SubstitutionHi anonimnystefy, Wolframalpha suggests completing the square. For some problems, you can use partial fractions. "Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense"  Buddha? "Data! Data! Data!" he cried impatiently. "I can't make bricks without clay." #44 20110702 21:15:47
Re: Integration by Substitutionhi all Last edited by anonimnystefy (20120623 05:29:59) 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 #45 20110702 22:14:01
Re: Integration by Substitutionanyone? 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 #46 20110702 22:15:20
Re: Integration by SubstitutionHi; 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. #47 20110702 22:21:31
Re: Integration by Substitutionno. 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 #48 20110702 22:32:20
Re: Integration by SubstitutionHi; 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. #49 20110702 22:35:48
Re: Integration by SubstitutionHi, "Believe nothing, no matter where you read it, or who said it, no matter if I have said it, unless it agrees with your own reason and your own common sense"  Buddha? "Data! Data! Data!" he cried impatiently. "I can't make bricks without clay." #50 20110702 22:39:54
Re: Integration by SubstitutionHi; Which cleans up the constant too. 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. 