A Treatise on AlgebraHarper & Brothers, 1873 - 360 páginas |
Dentro del libro
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Página 9
... performed upon these quan- tities , or upon the numbers which represent these quantities . 3. Mathematics is divided into pure and mixed . Pure math- ematics comprehends all inquiries into the relations of quan- tity in the abstract ...
... performed upon these quan- tities , or upon the numbers which represent these quantities . 3. Mathematics is divided into pure and mixed . Pure math- ematics comprehends all inquiries into the relations of quan- tity in the abstract ...
Página 10
... performed upon them , are indi- cated by signs or symbols . The object of algebraic notation is to abridge and generalize the reasoning employed in the so- lution of all questions relating to numbers . Algebra may there- fore be called ...
... performed upon them , are indi- cated by signs or symbols . The object of algebraic notation is to abridge and generalize the reasoning employed in the so- lution of all questions relating to numbers . Algebra may there- fore be called ...
Página 19
... perform the operations indicated . Suppose the expression is 2a2b . If we make a = 2 and b = 3 , the value of this expression will be 2x2x2x3 = 24 . If we make a = 4 and b = 3 , the value of the same expression will be 2x4x4x3-96 . The ...
... perform the operations indicated . Suppose the expression is 2a2b . If we make a = 2 and b = 3 , the value of this expression will be 2x2x2x3 = 24 . If we make a = 4 and b = 3 , the value of the same expression will be 2x4x4x3-96 . The ...
Página 25
... perform the opera- tion on the numbers as they were given , we first subtract 8 from 15 , and obtain 7. This result is too small by 3 , because the number 8 is larger by 3 than the number which was re- quired to be subtracted ...
... perform the opera- tion on the numbers as they were given , we first subtract 8 from 15 , and obtain 7. This result is too small by 3 , because the number 8 is larger by 3 than the number which was re- quired to be subtracted ...
Página 28
... Performing the operation indicated , we have a - b - m + n - x . The expression a − b + ( m — n + x ) indicates that the polynomial m - n + x is to be added to the polynomial a — b , and the result is a − b + m — n + x . Hence we see ...
... Performing the operation indicated , we have a - b - m + n - x . The expression a − b + ( m — n + x ) indicates that the polynomial m - n + x is to be added to the polynomial a — b , and the result is a − b + m — n + x . Hence we see ...
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Términos y frases comunes
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
Pasajes populares
Página 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...
Página 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.
Página 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.
Página 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.
Página 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.
Página 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.
Página 42 - Divide the coefficient of the dividend by the coefficient of the divisor.
Página 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.
Página 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.
Página 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.