A Treatise on AlgebraHarper & brothers, 1846 - 346 páginas |
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Página 27
... becomes 5a or 2a - 36 + 4c . 3a + 2b - 8c b - 4c . - ( 46. ) According to the preceding principle , polynomials may be written in a variety of forms . Thus a b - c + d is equivalent to a ( b + c - d ) - or to a - b- ( c – d ) or to a + ...
... becomes 5a or 2a - 36 + 4c . 3a + 2b - 8c b - 4c . - ( 46. ) According to the preceding principle , polynomials may be written in a variety of forms . Thus a b - c + d is equivalent to a ( b + c - d ) - or to a - b- ( c – d ) or to a + ...
Página 56
... done by changing its sign . -ab α - + b , because the former quotient b is to be subtracted , whence it becomes + b . and ab α = + b , for the same reason ; ab b , also for the same reason . α - ab ab ab a = = +6 ab zutto } 56 FRACTIONS .
... done by changing its sign . -ab α - + b , because the former quotient b is to be subtracted , whence it becomes + b . and ab α = + b , for the same reason ; ab b , also for the same reason . α - ab ab ab a = = +6 ab zutto } 56 FRACTIONS .
Página 62
... numera- tors together , and place their sum over the common denominator . EXAMPLES . х 1. What is the sum of and ? 2 Reducing to a common denominator , the fractions become 3x 2x and 6 6 5x 6 Adding the numerators 62 . FRACTIONS .
... numera- tors together , and place their sum over the common denominator . EXAMPLES . х 1. What is the sum of and ? 2 Reducing to a common denominator , the fractions become 3x 2x and 6 6 5x 6 Adding the numerators 62 . FRACTIONS .
Página 64
... become Hence 10x 9x and 15 15 10x 9x = 15 15 15 ' and it is plain that ten fifteenths of a diminished by nine fifteenths of x , equals one fifteenth of x . 12x 3x 2. From subtract 7 5 5y 3. From subtract 32 . ax ax 4. From subtract b + ...
... become Hence 10x 9x and 15 15 10x 9x = 15 15 15 ' and it is plain that ten fifteenths of a diminished by nine fifteenths of x , equals one fifteenth of x . 12x 3x 2. From subtract 7 5 5y 3. From subtract 32 . ax ax 4. From subtract b + ...
Página 94
... becomes y + 6 + y = 12 ; from which we find that y = 3 ; and since we have already seen that x = y + 6 , we find that x = = 3 + 6 = 9 . To verify these values , substitute them for x and y in the original equations , and we shall obtain ...
... becomes y + 6 + y = 12 ; from which we find that y = 3 ; and since we have already seen that x = y + 6 , we find that x = = 3 + 6 = 9 . To verify these values , substitute them for x and y in the original equations , and we shall obtain ...
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Términos y frases comunes
according to Art algebraic arithmetical binomial Charles Anthon coefficient common denominator Completing the square contrary sign cube root cubic equation deduce denotes Divide the number dividend divisible equation containing equation whose roots equation x³ exponent expression Extracting the root extracting the square factors find the values following RULE fourth power fourth root given equation greatest common divisor Hence inequality infinite series last term less logarithm method miles monomial multiplied negative nth root number of terms obtain order of differences original equation polynomial positive Prob problem PROPOSITION quadratic equations quotient radical quantities ratio real roots remainder Required the cube Required the fourth Required the square Required the sum result second degree second term Sheep extra simple form solved square root Sturm's Theorem subtract surd Theorem unknown quantity variation Whence whole number
Pasajes populares
Página 38 - The square of the difference of two quantities is equal to the square of the first minus twice the product of the first by the second, plus the square of the second.
Página 37 - THEOREM I. 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.
Página 91 - 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...
Página 332 - ... the logarithm of a fraction is equal to the logarithm of the numerator minus the logarithm of the denominator.
Página 33 - In the multiplication of whole numbers, place the multiplier under the multiplicand, and multiply each term of the multiplicand by each term of the multiplier, writing the right-hand figure of each product obtained under the term of the multiplier which produces it.
Página 138 - The nth root of the product of any number of factors is equal to the product of the nth roots of those factors.
Página 168 - 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. How much wine did he draw each time ? 50.
Página 31 - The operation consists in repeating the multiplicand as many times as there are units in the multiplier.
Página 4 - A Grammar of the Greek Language, for the Use of Schools and Colleges. By Charles Anthon, LL.D.
Página 213 - When four magnitudes are continual proportionals, the first is said to have to the fourth the triplicate ratio of that which it has to the second, and so on, quadruplicate, &c., increasing the denomination still by unity, in any number of proportionals.