## A Treatise on Algebra |

### From inside the book

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Page 61

Elias Loomis. 104. When there are more than two polynomials , find the

Elias Loomis. 104. When there are more than two polynomials , find the

**least common multiple**of any two of them ; then find the**least common multiple**of this result , and a third polynomial ; and so on to the last . 4. Find the least common ... Page 68

... common factors , it will not be the

... common factors , it will not be the

**least common denominator**. The**least common denominator**of two or more fractions must be the**least common multiple**of their denominators . 2a 56 Suppose it is required to reduce the fractions and to ... Page 83

...

...

**least common multiple**of all the denominators . 5. Clear the equation 2x 3x 7 + 5 4 10 of fractions . The**least common multiple**of all the denominators is 20 . If we multiply each member of the equation by 20 , we obtain 8x + 15x = 14 ... Page 101

... common factor , we may accomplish the same object by the use of smaller multipliers . In such cases , find the

... common factor , we may accomplish the same object by the use of smaller multipliers . In such cases , find the

**least common multiple**of the coefficients of the letter to be eliminated , and divide this multiple by each coefficient ; the ...### Contents

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### Common terms and phrases

algebraic algebraic quantity arithmetical progression binomial binomial theorem cent Clearing of fractions coefficient common difference continued fraction cube root decimal denote digits diminished Divide the number dividend divisible dollars equa equal equation whose roots equations containing EXAMPLES exponent expression Extract the square factors figure Find the cube Find the fifth Find the fourth Find the number Find the square Find the sum find the values following RULE four fourth power fourth root geometrical progression greatest common divisor Hence indicates inequality infinite series last term least common multiple less logarithm monomial negative nth root number of terms obtain positive pounds preceding problem quotient radical sign ratio real roots Reduce remainder represent Resolve result second degree second term simultaneous equations Solve the equation square root Sturm's Theorem suppose surd three numbers tion unity unknown quantity whence whole number zero

### Popular passages

Page 97 - To divide the number 90 into four such parts, that if the first be increased by 2, the second diminished by 2, the third multiplied...

Page 46 - 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 181 - A vintner draws a certain quantity of wine out of a full vessel that holds 256 gallons, and then, filling the vessel •with water, draws off the same quantity of liquor as before, and so on for four draughts, when there were only 81 gallons of pure wine left.

Page 284 - The logarithm of a number is the exponent of the power to which it is necessary to raise a fixed number, in order to produce the first number.

Page 258 - We may obtain the sixth root by extracting the cube root of the square root, or the square root of the cube root. It is, however, best to extract the roots of the lowest degrees first, because the operation is less laborious. We may obtain the eighth root by extracting the square root three times successively.

Page 371 - ... force of attraction to vary directly as the quantity of matter, and inversely as the square of the distance, at what point between them will a third body be equally attracted by the earth and moon ? Ans.

Page 42 - Divide the coefficient of the dividend by the coefficient of the divisor.

Page 38 - 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.

Page 101 - RULE. Find an expression for the value of one of the unknown quantities in one of the equations, and substitute this value for the same unknown quantity in the other equation.

Page 139 - 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.