A Treatise on Algebra

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Harper & brothers, 1852 - 334 páginas

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Página 329 - is engaged for n days, on condition that he receives p pence for every day he works, and pays q pence for every day he is idle. At the end of the time he receives a pence. How many days did he work, and how many was he idle? Ans» He worked — - — , and was idle — ¡ — days*
Página 27 - The square of the sum of two quantities is equal to the square of the first, plus twice the product of the first by the second, plus the square of the second. Thus, if we multiply a + b By a
Página 28 - The square of the difference of two quantities is equal to the square of the first, minus twice the product of the first and second, plus the square of the second, Thus, if we multiply a — b By a- b a?— ab
Página 33 - Hence, for the division of monomials, we have the following RULE. 1. Divide the coefficient of the dividend by the coefficient of the divisor. 2. Subtract the exponent of each letter in the divisor from the exponent of the same letter in the dividend. EXAMPLES 1. Divide
Página 236 - Multiply the divisor thus increased by the last figure of the root; subtract the product from the dividend, and to the remainder bring down the next period for a new dividend. 6.
Página 306 - The logarithm of the product of two or more factors is equal to the sum of the logarithms of those factors. Hence we see that if it is required to multiply two or more numbers by each other, we have only to add their logarithms ; the sum will be the logarithm of their product. We
Página 128 - that the square of the sum of two quantities is equal to the square of the first, plus twice the product of the first by the second, plus the square of the second. Ex.
Página 176 - Conversely, if the product of two quantities is equal to the product of two others, the first two quantities may be made the extremes^ and the other two the means of a proportion. Let ad=bc. Then will
Página 182 - Three quantities are said to be in harmonical proportion when the first is to the third as the difference between the first and second is to the difference between the second and third» Thus, 2, 3, 6 are in harmonical proportion
Página 192 - One hundred stones being placed on the ground in a straight line, at the distance of two yards from each other, how far will a person travel who shall bring them one by one to a basket which is placed two yards from the first stone ? Ans.

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