document.write( "Question 1210232: Recall that a partition of a positive integer n means a way of writing n as the sum of some positive integers, where the order of the parts does not matter. For example, there are five partitions of 4:\r
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document.write( "4\r
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document.write( "3 + 1\r
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document.write( "2 + 2\r
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document.write( "2 + 1 + 1\r
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document.write( "1 + 1 + 1 + 1\r
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document.write( "How many partitions of 17 are there that have at least three parts, such that the largest, second-largest, third-largest, and fourth-largest parts are respectively greater than or equal to 4, 3, 2, and 1?\r
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document.write( "The partition 17 = 7 + 4 + 3 + 2 + 1 is one such partition.) \n" );
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Algebra.Com's Answer #851943 by ikleyn(52781)![]() ![]() You can put this solution on YOUR website! .\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "As I read this problem, my feeling is that it is illogical.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Indeed, it asks, how many partitions of 17 are there that have at least three parts.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "\"At least three parts\" includes/allows 3 parts, but then it impose some conditions \n" ); document.write( "on the fourth part (which may absent).\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "In Math, it is prohibited to write such a gibberish and then to sell (to position) it as a \"problem\".\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "To the author: you may write gibberish, \r \n" ); document.write( "\n" ); document.write( "- - - - - - - - - - - - - - - but do not forget then to throw it into the garbage bin.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Or hire a special person (like me), who will do it for you.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |