| Charles Davies - Arithmetic - 1838 - 292 pages
...than the number of terms, and add the first term to the product. Hence, we have CASE I. Having given **the first term, the common difference, and the number...of terms, to find the last term. RULE. Multiply the** common difference by 1 less than the number of terms, and to the product add the first term. Q. How... | |
| George Roberts Perkins - Arithmetic - 1841 - 274 pages
...number of terms is 48, and the sum of all the terms is 38496. What is the last term ? CASE XI. Given **the first term, the common difference, and the number of terms, to find the** sum of all the terms. RULE. To twice the first term, add the product of the common difference into... | |
| John M'Nevin - Arithmetic - 1841 - 300 pages
...difference, and number of terms being given to find the last term, and sum of all the terms. RULE 1. — **Multiply the number of terms, less one, by the common difference, and to** that product, add the first term, the sum is the last term. 2. Add the first and last terms together,... | |
| William Ruger - Arithmetic - 1841 - 268 pages
...the other two may be found. CASE I. — The first term, common difference, and number of terms given, **to find the last term. RULE. — Multiply the number of terms, less** 1, by the common difference, and add the first term to the product, the sum will then be the last term,... | |
| John M'Nevin - Arithmetic - 1841 - 300 pages
...and number of terms being given to find the last term, and sum of all the terms. RULE 1.—Multiply **the number of terms, less one, by the common difference, and to** that product, add the first term, the sum is the last term. 2. Add the first and last terms together,... | |
| Charles DAVIES (LL.D.) - Arithmetic - 1843 - 348 pages
...than the number of terms, and add the first term to the product. Hence, we have CASE I. Having given **the first term, the common difference, and the number...of terms, to find the last term. RULE. Multiply the** common difference by 1 less than the number of terms, and to the product add the first term. 0. How... | |
| John Darby (teacher of mathematics.) - 1843 - 236 pages
...to exceed the former by 2d. What will her first payment be ? Ans. 3d. PROBLEM V. — Given the least **term, the common difference, and the number of terms to find the** greatest term. RULE. — Multiply the number of terms by the common difference, to this product add... | |
| Charles Davies - Arithmetic - 1844 - 666 pages
...than the number of terms, and add the first terra to the product. Hence, we have CASE I. Having given **the first term, the common difference, and the number...of terms, to find the last term. RULE. Multiply the** common difference by 1 less than the number of terms, and to the product add the first term. Q. How... | |
| Charles Davies - Arithmetic - 1844 - 358 pages
...number of additions being 1 less than the number of the term found. Hence, we have CASE I. Having given **the first term, the common difference, and the number of terms, to find the last term.** RUI.E. Multiply the common difference by 1 less than the number cff terms, and to the product add the... | |
| Charles Davies - Algebra - 1844 - 110 pages
...that he must travel four yards in addition for each successive stone which he brings. Hence, we have **the first term, the common difference, and the number of terms, to find the** sum of the series. First, to find the last term, we have l=a+(n— l)r. Making a=4, «=100, and r=4,... | |
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