## A Treatise on Algebra ... |

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### Common terms and phrases

ALGEBRAIC QUANTITIES arithmetical binomial called coefficient Completing the square contain continued fraction decimal divide the number dividend division entire number enunciation equa equal equation whose roots evident example exponent expression extract the root factors figure find the greatest find the number find the square find the values following rule formula geometrical progression given number gives greater greatest common divisor integral roots last term less logarithm manner monomial multiplied negative roots number of days number of terms obtain operation perfect square performed polynomials positive roots preceding progression by quotient proportion proposed equation proposed to find question radical sign ratio real roots reduced remainder Required the number resolve result second degree second power second term shillings solution square root substitution subtract synthetic division third power third root tion transformed units unity unknown quantities values of x vulgar fraction whence

### Popular passages

Page 242 - ... the logarithm of a fraction is equal to the logarithm of the numerator minus the logarithm of the denominator.

Page 117 - 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 19 - A man was hired 50 days on these conditions. — that, for every day he worked, he should receive $ '75, and, for every day he was idle, he should forfeit $ '25 ; at the expiration of the time, he received $ 27'50 ; how many days did he work...

Page 282 - VARIATIONS of sign, nor the number of negative roots greater than the number of PERMANENCES. 325. Consequence. When the roots of an equation are all real, the number of positive roots is equal to the number of variations, and the number of negative roots is equal to the number of permanences. For, let m denote the degree of the equation, n the number of variations of the signs, p the number of permanences ; we shall have m=n+p. Moreover, let n' denote the number of positive roots, and p...

Page 278 - Every equation of an odd degree has at least one real root ; and if there be but one, that root must necessarily have a contrary sign to that of the last term. 4°.

Page 100 - ... the product of the two, plus the square of the second. In the third case, we have (a + b) (a — 6) = a2 — b2. (3) That is, the product of the sum and difference of two quantities is equal to the difference of their squares.

Page 9 - 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 38 - 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 217 - ... exponent of which is one less than the number, which marks the place of this term. Let...

Page 239 - The logarithm of a number, is, therefore, the exponent of the power, to which it is necessary to raise a given or invariable number, in order to produce the proposed number. Thus in the equation a...