Elementary Algebra

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Charles Scribner's Sons, 1905 - Algebra - 395 pages
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Page 285 - In a series of equal ratios, the sum of the antecedents is to the sum of the consequents as any antecedent is to its consequent.
Page 103 - The product of two or more fractions is a fraction whose numerator is the product of the numerators of the given fractions and whose denominator is the product of the denominators of the given fractions.
Page 333 - If the number is less than 1, make the characteristic of the logarithm negative, and one unit more than the number of zeros between the decimal point and the first significant figure of the given number.
Page 315 - To find the number of permutations of n different things taken r at a time.
Page 323 - The number of permutations of n different things taken r at a time is denoted by „Pr.
Page 35 - Divide the first term of the dividend by the first term of the divisor, and write the result as the first term of the quotient. Multiply the whole divisor by the first term of the quotient, and subtract the product from the dividend.
Page 33 - To divide a polynomial by a monomial, divide each term of the polynomial by the monomial: (8aft — 12ac) -*- 4a = 2ft — 3c.
Page 280 - The first and fourth terms of a proportion are called the extremes, and the second and third the means.
Page 332 - The characteristic of the logarithm of any number greater than 1 is always one less than the number of digits preceding the decimal point.

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