 | Jacob Willetts - Arithmetic - 1822 - 200 pages
...Thirdly, the number of terms ; Fourthly, the common difference ; Fifthly, the sum of all the terms ; Any three of which being given, the other two may be found, CASK 1 . The First term, common difference, and number of terms given to find the last term, and the... | |
 | Warren Colburn - Algebra - 1825 - 400 pages
...}) d. 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.... | |
 | 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... | |
 | Daniel Adams - Arithmetic - 1828 - 286 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... | |
 | Arithmetic - 1829 - 196 pages
...divisor is called the RATIO. 276. In geometrical, as in arithmetical progression, them are FIVE THINGS, any three of which being given, the other two may be found. 1st. The FIRST term. 2nd. The LAST term. 3d. The NUMBER of terms. 4th. The RATIO. 5th. The SUM OF ALL... | |
 | Daniel Adams - Arithmetic - 1830 - 294 pages
...extremes, and the other terms are called the means. There are five things in arithmetical progression, any three of which being given, the other two may be found : — 1st. Theirs* term. 2d. The last term. 3d. The number of terms. 4th. The common difference. 5th.... | |
 | Thomas Conkling (W.) - Arithmetic - 1831 - 302 pages
...the first term, the last term, the number of terms, the common difference, and the sum of all terms; any three of which being given, the other two may be found. Case 1st. When the first term, the number of terms, and the common difference are given. to find the... | |
 | Daniel Adams - Arithmetic - 1831 - 276 pages
...extremes, and the other terms are called the means. There are five things in arithmetical progression, 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 common difference.... | |
 | Daniel Adams - Arithmetic - 1831 - 276 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/r*< term. 2d. The last term. 3d. The number of terms. 4th. Thereto. 5tn. The sum of... | |
 | Michael Walsh - 1831 - 348 pages
...2. The last term. •3. The number of terms. 4. The equal difference. 5. The sum of all the terms. , Any three of which being given, the other two may be found. The first, second, and third terms given, to find the fifth. RULE. Multiply the sum of the two extremes... | |
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The sum of all the terms. Any three of which being given, the other two may be found. 
