 | Thomas Jephson - 1826 - 472 sider
...\ « / '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. Letj/ = a1 and «/ — a*, therefore «/•«/'... | |
 | Andrew Bell (writer on mathematics.) - 1839 - 500 sider
...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... | |
 | Joseph Allen Galbraith - 1852 - 84 sider
...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... | |
 | University of Sydney - 1853 - 810 sider
...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... | |
 | 1855 - 264 sider
...the Earth and its dimensions. 3. Th« annual motion of the Earth. LOGARITHMIC ARITHMETIc. SECT. I.— 1. Define a logarithm; and show that the logarithm...its number of integers. 3. One person out of 46 is s;iid to die every year in England, and one out of 31 to be born ; if there were no emigration, in... | |
 | Charles Davies - 1857 - 408 sider
...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,... | |
 | Joseph Allen Galbraith - 1860 - 288 sider
...which the rules for using logarithmic tal1ies in numerical computations are derived. PROPOSITI°N I. The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers. If the numbers be N and M, let n = log N, and m = log M to any base... | |
 | Joseph Allen Galbraith, Samuel Haughton - 1860 - 310 sider
...which the rules for using logarithmic tables in numerical computations are derived. PROPOSITION I. t'he logarithm of the product of two numbers is equal to the sum of e logarithms of the numbers. If the numbers be N and M, let n = log N, and m = log Л/ to any ise a,... | |
 | Charles Davies - 1860 - 412 sider
...since a is the base of the system, we have from the definition, 3/ + x" = log (N' x N") ; that is, The logarithm of the product of two numbers is equal to the tum of their logarithms. 231 • If we divide equation (1) by equation (2), member by member, we have,... | |
 | Thomas Percy Hudson - 1862 - 202 sider
...is called the logarithm of N with reference to a, or, as it is usually expressed, to the base a. 2. The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers. Let a be the base, M, N the numbers, and x and y their logarithms respectively... | |
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The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers. 
