# Manual of Algebra

Barnes, 1875 - Algebra - 331 pages
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### Contents

 CHAPTER I 9 CHAPTER II 19 CHAPTER III 52 CHAPTER IV 66 CHAPTER V 87 CHAPTER VI 127
 CHAPTER VII 143 CHAPTER X 235 LOGARITHMS 264 CHAPTER XII 276 CHAPTER XIII 319

### Popular passages

Page 145 - Which proves that the square of a number composed of tens and units contains, the square of the tens plus twice the product of the tens by the units, plus the square of the units.
Page 245 - In arithmetical progression there are five parts to be considered, viz : the first term, the last term, the number of terms, the common difference, and the sum of all the terms.
Page 239 - Conversely, if the product of two quantities is equal to the product of two other quantities, the first two may be made the extremes, and the other two the means of a proportion.
Page 239 - In any proportion, the product of the means is equal to the product of the extremes.
Page 41 - 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 264 - THE LOGARITHM: of a number is the exponent of the power to which it is necessary to raise a fixed number, to produce the given number. The fixed number is called the base of the system.
Page 267 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Page 87 - The part of the equation which is on the left of the sign of equality is called the first member ; the part on the right of the sign of equality, the second member.
Page 266 - The logarithm of the product of two numbers is equal to the sum of the logarithms of the numbers.