A New Key to the Exact Sciences, Or, A New and Practical Theory by which Mathematical Problems Or Algebraic Equations of Almost Every Description Can be Solved with Accuracy: And with Greater Facility and Simplicity Than They Can be by Any Method that Has Yet Been Given by Any Other Author : in which are Also Introduced, a Variety of Useful and Interesting Problems, that Have Never Before Been Proposed, and which it is Believed Cannot be Solved by Any Methods Or Rules Except Those Here Laid Downauthor, 1824 - 64 sider |
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A New Key to the Exact Sciences, Or, A New and Practical Theory by which ... Francis Tillett Uten tilgangsbegrensning - 1824 |
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5th powers equal arithmetical pro gression arithmetical progression equal common difference continued product equal cubes equal difference equal equal 12 equal the three EXAMPLES find the ratio find those five find those four find those numbers find those three five numbers five required numbers found the three four numbers four required numbers geometrical pro geometrical progression equal Given the continued Given the difference Given the ratio Given the sum gression equal 39 harmonical propor leave a difference leaving a remainder less Let x equal m+d=y metrical progression equal middle number nearest cube number of terms numbers equal 16 numbers in arithmetical numbers in geo numbers in geometrical numbers in harmonical q the difference quired quotient ratio equal ratio given ratio of five ratio of four red numbers remainder equal RULE s² the sum sion equal squares being given sum of four sum of three three numbers three required numbers