## An Elementary Treatise on Algebra: To which are Added Exponential Equations and Logarithms |

### No interior do livro

Página 26

When a quotient is expressed by the sign ( :) it is called a

called the antecedent of the

the antecedent and consequent of a

When a quotient is expressed by the sign ( :) it is called a

**ratio**; its dividend iscalled the antecedent of the

**ratio**, and its divisor the consequent of the**ratio**; andthe antecedent and consequent of a

**ratio**are called the terms of the**ratio**. 55. Página 196

To find the sum of a geometrical progression , of which the first term , the

and the number of terms are known . Solution . We have or S = atàrtarl + & c . ...

tara- tāru - 1 . If we multiply all the terms of this equation by r , we have rS = artà

p2 ...

To find the sum of a geometrical progression , of which the first term , the

**ratio**,and the number of terms are known . Solution . We have or S = atàrtarl + & c . ...

tara- tāru - 1 . If we multiply all the terms of this equation by r , we have rS = artà

p2 ...

Página 197

Find the 8th term and the sum of the first 8 terms of the progression 2 , 6 , 18 , & c

. , of which the

the 12th term and the sum of the first 12 terms of the series 64 , 16 , 4 , 1 , À , & c .

Find the 8th term and the sum of the first 8 terms of the progression 2 , 6 , 18 , & c

. , of which the

**ratio**is 3 . à Ans . The 8th term is 4374 , the sum is 6560 . 2. Findthe 12th term and the sum of the first 12 terms of the series 64 , 16 , 4 , 1 , À , & c .

Página 198

To which are Added Exponential Equations and Logarithms Benjamin Peirce.

Examples in Geometrical Progression . 6. Find the

which the first term is 160 , the last term 38880 , and the number of terms 6 .

To which are Added Exponential Equations and Logarithms Benjamin Peirce.

Examples in Geometrical Progression . 6. Find the

**ratio**and sum of the series ofwhich the first term is 160 , the last term 38880 , and the number of terms 6 .

Página 200

Examples in Geometrical Progression . that is , the last term is zero , and the sum

is found by dividing the first term by the difference between unity and the

264. Corollary . From the equation a r s 1 either of the quantities a , r , and s may

...

Examples in Geometrical Progression . that is , the last term is zero , and the sum

is found by dividing the first term by the difference between unity and the

**ratio**.264. Corollary . From the equation a r s 1 either of the quantities a , r , and s may

...

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An Elementary Treatise on Algebra: To which are Added Exponential Equations ... Benjamin Peirce Visualização integral - 1842 |

An Elementary Treatise on Algebra: To which are Added Exponential Equations ... Benjamin Peirce Visualização integral - 1860 |

An Elementary Treatise on Algebra: To which are Added Exponential Equations ... Benjamin Peirce Visualização integral - 1858 |

### Palavras e frases frequentes

affected approximate values arithmetical becomes body called coefficient consequently contained continued fraction continued product Corollary corresponding decimal denominator denote derivative difference Divide dividend division Elimination equal roots equation 23 EXAMPLES exponent expression Extract factor figure Find Find the greatest Find the square Find the sum follows fourth fraction Free function gallons given equation gives greater greatest common divisor Hence imaginary increased infinite integral known last term least less letter limit logarithm means method monomials multiplied negative number of real number of terms obtained places polynomial positive Problem progression Proof proportion putting quotient ratio real roots reduced remainder result reverse row of signs Solution Solve the equation square root substitution subtracted successive suppressed Theorem third true unity unknown quantity variable whence wine

### Passagens conhecidas

Página 46 - 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.

Página 190 - One hundred stones being placed on the ground in a straight line, at the distance of 2 yards from each other, how far will a person travel who shall bring them one by one to a basket, placed at 2 yards from the first stone ? Ans.

Página 266 - The logarithm of the quotient is equal to the logarithm of the dividend, diminished by the logarithm of the divisor.

Página 61 - A term may be transposed from one member of an equation to the other by changing its sign.

Página 184 - I = the last term, r = the common difference, n = the number of terms, S = the sum of all 'the terms.

Página 53 - There is a number consisting of two digits, the second of which is greater than the first, and if the number be divided by the sum of its digits, the quotient is 4...

Página 30 - The 2d line of col. 1 is the 1st line multiplied by 7 in order to render its first term divisible by the first term of the new divisor ; the remainder of the division is the 4th line of col.

Página 125 - Subtract the square of the root from the first period, and to the remainder bring down the second period for a dividend. III. Double the root already found and place it on the left for a divisor.

Página 230 - Rule. 324. An equation of any degree whatever cannot have a greater number of positive roots than there are variations in the signs of Us terms, nor a greater number of negative roots than there are permanences of these signs.

Página 45 - Likewise, the sum of the antecedents is to their difference, as the sum of the consequents is to their difference. Ratio of Sum of two first Terms to that of two last. Moreover, in finding...