Secondary Algebra

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Macmillian Company, 1900 - Algebra - 442 pages
 

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Page 308 - In any proportion the terms are in proportion by Composition and Division; that is, the sum of the first two terms is to their difference, as the sum of the last two terms is to their difference.
Page 72 - Divide the first term of the dividend by the first term of the divisor, the result will be the first term of the quotient.
Page 324 - C„.r. That is, the number of combinations of n dissimilar things r at a time is equal to the number of combinations of the n things n — r at a time.
Page 173 - If necessary, multiply the given equations by such numbers as will make the coefficients of one of the unknown numbers in the resulting equations of equal absolute value.
Page 321 - We will now derive a formula for the number of permutations of n things, taken all at a time, when some of them are alike.
Page 145 - The factor 5 is common to the numerator of the first fraction and the denominator of the second.
Page 210 - ... term by the exponent of a in that term, and dividing the product by a number greater by 1 than the exponent of b in that term.
Page 305 - IF the first be the same multiple of the second, or the same part of it, that the third is of the fourth ; the first is to the second, as the third is to the fourth...
Page 215 - Arts. 200 and 201 we derive the following rule : Extract the required root of the numerical coefficient, and divide the exponent of each letter by the index of the root.
Page 385 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.

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