 | Peter Nicholson - 1831 - 326 σελίδες
...terms. Ans. a=5, and 2=62. (3) Given the first term 5, the common difference 3, and the last term 62, to find the number of terms and the sum of the series. Ans. w=20, and s=6^0. (fi) Given the first term 5, the number of terms 20, and the last term 62, to... | |
 | John Hunter (of Uxbridge.) - 1847 - 266 σελίδες
...+ 5x24= 124. Ans. Examp. Given the greater extreme 500, the less 70, and the common difference 10 ; to find the number of terms, and the sum of the series. Here g = 500, / = 70, d = 10 ; to find n and *. By 3rd Theor. n = (500 + 10 - 70) -:- 10 = 44. Ans.... | |
 | James S. Russell - 1847 - 340 σελίδες
...To FIND THE NUMBER OF TERMS, AND SUM OF THE SERIES. The extremes and common difference being given, TO FIND THE NUMBER OF TERMS, and the SUM OF THE SERIES \ divide the difference of the extremes by the common difference, and increase the quotient by 1, for... | |
 | Vermont - 1872 - 592 σελίδες
...first term of a series ; three, the common difference; and one hundred seventy-six, the last term; to find the number of terms, and the sum of the series. Geography. 1. Where on the earth's surface is there no latitude? Where, no longitude? TOWN EXAMINATIONS—... | |
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Given the first term 5, the common difference 3, and the last term 62, to find the number of terms and the sum of the series. 