 | Thomas Jephson - 1826 - 472 páginas
...\ « / 'Va/ series. Hence /. 10 = '9 + -'- x ('9)2 4- fx ('9)3 + &c. = 2-302585093, £c. 23. ÏVze logarithm of the product of two numbers is equal to the sum of their logarithms, and the logarithm of the quotient is equal to the difference of their logarithms.... | |
 | Andrew Bell (writer on mathematics.) - 1839 - 500 páginas
...2* = 16, ... in this system 2 = 14, 3 = 18, 4 = 116. . GENERAI, PROPERTIES OF LOGARITHMS. (501.) 1 The logarithm of the product of two numbers is equal to the sum of the logarithms of these numbers.1 For let aх = y, and aх, .= y', then for the base a, x = ly, and x' = ly. And aх... | |
 | Euclides - 1840 - 192 páginas
...cases, which form the first four propositions of his Second Book. The first of them is as follows : The product of two numbers is equal to the sum of the products of one of them multiplied by the parts of the other. Thus, if 5 and 10 be the two numbers,... | |
 | William Chauvenet - 1843 - 102 páginas
...produce b. • PROPERTIES OP LOGARITHMS IN GENERAL. 60. The logarithm of the product of two or more numbers is equal to the sum of the logarithms of those numbers. For let b, c, d, &c. be any numbers, and a the base of any system of logarithms, then we have by the... | |
 | Joseph Allen Galbraith - 1852 - 84 páginas
...10m. If we multiply these, NX M= 1o**™; therefore, log NX M—n + m = log N + log if. PROPOSITION I. The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers. If we divide the former of these equations by the latter N__ therefore N log -=n-ra =... | |
 | University of Sydney - 1853 - 810 páginas
...or (J) a lava ; or (<•) hypabyssal ; or (rf) plutonic ? MATHEMATICS I. FIRST PAPER. 1. Explain why the logarithm of the product of two numbers is equal to the sum of the logarithms of the two numbers. Find 1 he cube root of 1002-5 and the fifth power of 1-025, using your tables, and... | |
 | William Frederick Greenfield - 1853 - 228 páginas
...the sum of the products of each part of the multiplicand and multiplier 127 PKOP. 8.— To prove that the product of two numbers is equal to the sum of the products of the multiplicand by each part, of the multiplier . 127 PROP. 9. — To prove the Rule for... | |
 | Great Britain. Committee on Education - 1855 - 976 páginas
...LOGARITHMIC ARITHMETIC. (Two Hours allowed for this Paper,) Section 1. 1. Define a logarithm; and show that the logarithm of the product of two numbers is equal to the sum of their logarithms ; and the logarithm of their quotient, to the difference of their logarithms. 2. Show... | |
 | 1855 - 264 páginas
...annual motion of the Earth. LOGARITHMIC ARITHMETIc. SECT. I.— 1. Define a logarithm; and show that the logarithm of the product of two numbers is equal to the sum of their logarithms, and the logarithm of their quotient to the difference of their logarithms. 2. Show... | |
 | Charles Davies - 1857 - 408 páginas
...since a is the base of the system, we have from the definition, x' + x" = log (Nt x N") ; that is, The logarithm of the product of two numbers is .equal to the turn of their logarithms. 231. If we divide equation (1) by equation (2), member by member, we have,... | |
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The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers. 
