 | Jeremiah Day - 1820 - 352 páginas
...is 15, and the sum of the two last is 60. What are the numbers ? Let the series be x, xy, xy3, xys ; and the numbers will be found to be 5, 10, 20, and...progression ; and the first had 90 dollars more than the last. How much had each ? Prob. 6. There are three numbers in geometrical progression, the greatest... | |
 | Miles Bland - 1821 - 898 páginas
...- ; Л у = 2, or -- , which last does not answer the conditions ; 2 (x \7x - + *+2* = JT = 35; 18. There are three numbers in geometrical progression, the greatest of which exceeds the least by 15. Also the difference of the squares of the greatest and least is to the sum of the squares of all the... | |
 | Miles Bland - 1824 - 404 páginas
...-, which last does not answer the conditions; . .'. x = 10, and the numbers are 5, 10, and 20. 18. There are three numbers in geometrical progression, the greatest of which exceeds the least by 15. Also the difference of the squares of the greatest and least is to the sum of the squares of all the... | |
 | Jeremiah Day - 1827 - 352 páginas
...60. What are the numbers ? Let the series be x, xy, xy3, xy3 ? and the numbers will be found to be 6, 10, 20, and 40. Prob. 5. A gentleman divided 210 dollars...progression ; and the first had 90 dollars more than the last. How much had each ? Prob. 6. There are three numbers in geometrical progression, the greatest... | |
 | William Smyth - 1830 - 278 páginas
...form ax = b, in which the exponent is the unknown quantity. EXAMPLES IN PROGRESSION BY QUOTIENT. 1. There are three numbers in geometrical progression, the greatest of which exceeds the least by 15. Also the difference of the squares of the greatest and least is to the sum of the squares of all the... | |
 | Jeremiah Day - 1831 - 358 páginas
...first is 15, and the sum of the two last is 60. What are the numbers ? Let the series be x, ay, xif, xy 3 ; and the numbers will be found to be 5, 10,...progression ; and the first had 90 dollars more than the last. How much had each 1 jZ,Cl< $0, 40» Prob. 6. There are three numbers in geometrical progression,... | |
 | Jeremiah Day - 1831 - 354 páginas
...1 5, and the sum of the two last is 60. What are the numbers 1 Let the series be x, xy, xy1, xy3 ; and the numbers will be found to be 5, 10, 20, and 46. Prob. 5. A gentleman divided 210 dollars among three servants, in such a manner, that their portions... | |
 | Jeremiah Day - 1832 - 354 páginas
...1 5, and the sum of the two last is 60. What are the numbers 1 Let the series be x, xy, xy*, xy3 ; and the numbers will be found to be 5, 10, 20, and...Prob. 5. A gentleman divided 210 dollars among three sen-ants, in such a manner, that their portions were in geometrical progression ; and the first had... | |
 | Jeremiah Day - 1841 - 356 páginas
...is 15, and the sum of the two last is 60. What are the numbers 1 Let the series be x, xy, xy\ xy3 ; and the numbers will be found to be 5, 10, 20, and...progression, the greatest of which exceeds the least by 1 5 ; and the difference of the squares of the greatest and the least, is to the sum of the squares... | |
 | Jeremiah Day - 1841 - 354 páginas
...is 15, and the sum of the two last is 60. What are the numbers ? Let the series be x, ay, ay*, ay3 ; and the numbers will be found to be 5, 10, 20, and...progression ; and the first had 90 dollars more than the last. How much had each 1 Prob. 6. There are three numbers in geometrical progression, the greatest... | |
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There are three numbers in geometrical progression, the greatest of which exceeds the least by 15; and the difference of the squares of the greatest and the least,. is to the sum of the squares of all the three numbers as 5 to 7. What are the numbers... 
