 | Thomas Tucker Smiley - Arithmetic - 1825 - 224 pages
...each sort he must have ? ~1na. 20 gal. at 130 cents, 6 gal. ARITHMETICAL PROGRESSION. Arithmetical Progression is a series of numbers which increase or decrease by a continual addition or subtraction of the same numbers, as 1, 2, 3, 4, 5, 6; 1, 3, 5, r, 9, 11 J 6,... | |
 | Mathematics - 1836 - 488 pages
...those whose mathematical knowledge does not extend beyond the operations of Arithmetic. An Arithmetical Progression is a series of numbers which increase or decrease by a common difference. The series of natural numbers, 1, 2, 3, 4, &«. is of this kind ; so is also the series... | |
 | Daniel Leach - Arithmetic - 1851 - 280 pages
...series whose first term is 5, and the common difference GEOMETRICAL PROGRESSION. SECTION XXXIV. 316. GEOMETRICAL PROGRESSION is a series of numbers which increase or decrease by a common ratio. Thus, 2, 4, 8, 16, &c., is an increasing series, in which the ratio is 2; and 81, 27, 9, 3,... | |
 | Daniel Leach - Arithmetic - 1853 - 622 pages
...series whose first term is 5, and the common difference GEOMETRICAL PROGRESSION. SECTION XXXIV. 316. GEOMETRICAL PROGRESSION is a series of numbers which increase or decrease by a common ratio. Thus, 2, 4, 8, 16, &c., is an increasing series, in which the ratio is 2; and 81, 27, 9, 3,... | |
 | Joseph Ray - Arithmetic - 1857 - 348 pages
...343. . . Ans. 35. XXXV. ARITHMETICAL PROGRESSION. ART. 299. An Arithmetical Progression, or Series, is a series of numbers which increase or decrease, by a common difference. If the series increase, it is called an increasing series ; if it decrease, a decreasing... | |
 | James Bates Thomson - Arithmetic - 1858 - 400 pages
...PROGRESSION is continued proportion. It is of two kinds, arithmetical and geometrical. 409. Arithmetical progression is a series of numbers, which increase or decrease by a common difference; as 3, £<, 7, 9, 11, 13, &c. ; or 13, 11, 0, 7, 5, <fec. OBS. If the series increases,... | |
 | Joseph Ray - Arithmetic - 1857 - 358 pages
...125x343. . . Ans. 35. XXV. AEITHMETICAL PROGRESSION. ART. 299. An Arithmetical Progression, or Series, is a series of numbers which increase or decrease, by a common difference. If the series increase, it is called an increasing series ; if it decrease, a decreasing... | |
 | James Hamblin Smith - 1869 - 412 pages
...ai a> ^~* ' — ^-гт— i -„г+у— ' i^rí ' CHAPTER XXIII. ON GEOMETRICAL PROGRESSION. 358. A GEOMETRICAL Progression is a series of numbers which increase or decrease by a constant factor. Thus the following series are Geometrical Progressions, 2, 4, 8, 16, 32, 64; 19 3... | |
 | James Hamblin Smith - Algebra - 1870 - 452 pages
...of the length of the panes. ...,•- ^ > J 0 XXX. ON ARITHMETICAL PROGRESSION. 372. AN Arithmetical Progression is a series of numbers which increase or decrease by a constant difference. Thus, the following series are Arithmetical Progressions : 2, 4, 6, 8, 10; 9,... | |
 | James Hamblin Smith - Algebra - 1872 - 454 pages
...am— а + 26 Ьот — b + 2a 6от + a . a, ' ' ...... ' ' ' XXXI. ON GEOMETRICAL PROGRESSION. 383. A GEOMETRICAL Progression is a series of numbers which increase or decrease by a constant factor. Thus tha following series are Geometrical Progressions, 2, 4, 8, 16, 32, 64 ; о о... | |
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A geometrical progression is a series of numbers, which increase or decrease by a common or constant ratio. 
