 | Solomon Lowe - Arithmetic - 1749
.../. (3) The number of terms, n. (4) The common difference, J. (5) The fum of all the terms, s : (II) any three of which being given, the other two may be found : as may be feen in a feries of 20 proportions in Oughtred's clavis math. 29. 4. Seealfo Malcolm, arithm.... | |
 | Anthony Birks, John Birks - Arithmetic - 1766 - 642 pages
...Alfo42 . 35 . 28 . 2i . 14. 7_j_ common difference 7. In an arithmetical progreflion are five things ; any three of which being given, the other two may be found, which admit of twenty different propofitions« 3 I. The 3 105 35 5 105 21 7 105 15 15 105 7 21 105... | |
 | John Mair - Arithmetic - 1772 - 376 pages
...16 : 32 : 64 feries. In a geometrical progreffion, or feries, five things occur to be conf1dered j any three of which being given, the other two may be found. The five things are, 1. The leaft term, 1 v II. The>eateftterm.fExtremes' III. The number of terms.... | |
 | John Thomas Hope - Arithmetic - 1790 - 387 pages
...2. Alfo 42, 35,28,21, 14, 7, common difference 7. In an Arithmetical Progreffion are five tiling«, any three of which being given the other two may be found,' which admit of twenty different proportions. lit. The firft term commonly the bail."} 2d, The laft... | |
 | Samuel Webber - Mathematics - 1808 - 522 pages
...Problem, are the latitude of the place, and the sun's altitude, decimation, and azimuth, and the hour ; any three of which being given, the other two may be found by^the solution of an oblique spheric triangle. Hence several useful Problems are formed, three of... | |
 | Beriah Stevens - Arithmetic - 1822 - 423 pages
...: 4 : 8 : 16 : 32:64. In a geometrical progression, or series, five things occur to be considered ; any three of which being given, the other two may be found. The five things arc, 1. The least term. tc , o TU ... t Extremes. 2. 1 he greatest terms. $ 3. The... | |
 | Warren Colburn - Algebra - 1825 - 372 pages
...This formula and the following s _ n(a + 1} contain five different tilings, viz. a, I, n, d, and S; any three of which being given, the other two may be found, by combining the two equations. I shall leave the learner to trace these himself as occasion may require.... | |
 | Warren Colburn - Algebra - 1828 - 276 pages
...This formula and the following 3 _ n (a + I) 2 contain five different things, viz. a, /, n, d, and S ; any three of which being given, the other two may be found, by combining the two equations. I shall leave the learner to trace these himself as occasion may require.... | |
 | Daniel Adams - Arithmetic - 1828 - 264 pages
...geometrical series. As in arithmetical, so also in geometrical progression, there are five things, any three of which being given, the other two may be found : — 1st. The first term. 2d. The last term. 3d. The number of terms. 4th. The ratio. 5th. The sum... | |
 | Daniel Adams - Arithmetic - 1828 - 266 pages
...geometrical series. A§ in arithmetical, so also in geometrical progression, there are fire things, any three of which being given, the other two may be found : — 1st. The first term. 2d. The lust term. 3d. The number of terms. 4th. The ratio. 5th. The sum... | |
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Terms ; any three of which being given, the other two may be found. This gives rise to twenty distinct cases, a few of the more important of which will be here presented. 
