| George Augustus Walton, Mrs. Electra Nobles Lincoln Walton - Arithmetic - 1865 - 354 pages
...&c. If the numbers decrease from the first term, the series is a Decreasing Series; e. д., 13, 11, 9, 7, 5, &c. * 4:87. In every series, five things...works on Algebra. NOTE П. — Increasing series only will be considered in this book, as rules that apply to increasing series apply to decreasing series... | |
| Benjamin Greenleaf - Arithmetic - 1871 - 350 pages
...a series? The means? When is a series ascending? When descending ? What five things are mentioned, any three of which being given, the other two may be found ? If the last term had been given and the first required, the process would evidently have been by... | |
| Horatio Nelson Robinson - Algebra - 1872 - 436 pages
...two primitive equations, l = ar*~l , S—— — 5—, contain the five quantities, a, r, l, n, S, any three of which being given, the other two may be found; for, by substitution of the given values, the result will always be two equations involving but two... | |
| George Augustus Walton - Arithmetic - 1873 - 352 pages
...In every series, five things are to be considered ; viz., the First Term, the Last Term, the Niimber of Terms, the Common Difference, and the Sum of the...presented. NOTE I For the remaining cases, also for full discussio»s of Geometrical Progression and Annuities, the student is referred to works on Algebra.... | |
| William Guy Peck - Algebra - 1875 - 348 pages
...in each case is 4. 175. In any geometrical progression, there are five quantities to be considered, any three of which being given, the other two may be found. These quantities are, the first term, denoted by . . . .a, " last term, denoted by ..../, " number... | |
| George Augustus Walton - 1876 - 358 pages
...12, &c. If the numbers decrease from the first term, the series If a Decreasing Series; eg, 13, 11, 9, 7, 5, &c. 487. In every series, five things are...the student is referred to works on Algebra. NOTE n. — Increasing series only will be considered in this book, as rules that apply to increasing series... | |
| Benjamin Greenleaf - Arithmetic - 1876 - 344 pages
...series ? The means 1 When is a series ascending 1 When descending ? What five things are mentioned, any three of which being given, the other two may be found ? If the last term had been giver and the first required, the process would evidently have been by... | |
| Edward Brooks - Arithmetic - 1877 - 560 pages
...what is the first term ? Ann. 1024. 864. Since there are five quantities in Geometrical Progression, any three of which being given, the other two may be found, there are twenty distinct cases. 865. The rules for the eight simple cases are expressed in the following... | |
| Edward Brooks - Algebra - 1888 - 344 pages
...that decrease« from left to right ; as 32, 16, 8, i, etc. ill» 7. The Terms considered are five, any three of which being given, the other two may be found. THE FIVE TEEMS. 1. The first term, a ; 3. The number of terms, n ; 2. The last term, /; 4. The ratio,... | |
| Horatio Nelson Robinson - 1888 - 372 pages
...the difference between any two adjacent terms. 450. There are five parts in an arithmetical series, any three of which being given, the other two may be found. They are as follows : the first term, last term, common difference, number of terms, and sum of all... | |
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