A Treatise on AlgebraHarper & brothers, 1855 - 316 σελίδες |
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Σελίδα vii
... Geometrical Progression . - Last Term . - Sum of the Terms Progressions having an infinite Number of Terms .. Harmonical Progression SECTION XV . GREATEST COMMON DIVISOR . - CONTINUED FRACTIONS . PERMUTATIONS AND COM BINATIONS ...
... Geometrical Progression . - Last Term . - Sum of the Terms Progressions having an infinite Number of Terms .. Harmonical Progression SECTION XV . GREATEST COMMON DIVISOR . - CONTINUED FRACTIONS . PERMUTATIONS AND COM BINATIONS ...
Σελίδα 4
... geometrical solution is the obtaining an answer by the principles of geometry . A mechanical so- lution is one which is gained by trials . ( 11. ) The principal symbols employed in Algebra are the following : The sign + ( an erect cross ) ...
... geometrical solution is the obtaining an answer by the principles of geometry . A mechanical so- lution is one which is gained by trials . ( 11. ) The principal symbols employed in Algebra are the following : The sign + ( an erect cross ) ...
Σελίδα 171
... Geometrical Ratio . The term Ratio , when used without any qualification , is always understood to signify a geometrical ratio , and we shall confine our attention to ratios . of this description . ( 202. ) By the ratio of two numbers ...
... Geometrical Ratio . The term Ratio , when used without any qualification , is always understood to signify a geometrical ratio , and we shall confine our attention to ratios . of this description . ( 202. ) By the ratio of two numbers ...
Σελίδα 194
... GEOMETRICAL PROGRESSION . ( 240. ) A Geometrical Progression is a series of quantities , each of which is equal to the product of that which precedes it by a constant number . and Thus , the series 2 , 4 , 8 , 16 , 32 , & c . , 81 , 27 ...
... GEOMETRICAL PROGRESSION . ( 240. ) A Geometrical Progression is a series of quantities , each of which is equal to the product of that which precedes it by a constant number . and Thus , the series 2 , 4 , 8 , 16 , 32 , & c . , 81 , 27 ...
Σελίδα 195
... geometrical progression is equal to the product of the first term by that power of the ratio whose expo- nent is one less than the number of terms . ( 242. ) To find the sum of all the terms of a geometrical pro- gression . If we take ...
... geometrical progression is equal to the product of the first term by that power of the ratio whose expo- nent is one less than the number of terms . ( 242. ) To find the sum of all the terms of a geometrical pro- gression . If we take ...
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Συχνά εμφανιζόμενοι όροι και φράσεις
according to Art algebraic arithmetical progression binomial coefficients common denominator Completing the square continued fraction cube root difference Divide the number dividend divisible dollars equa equation containing EXAMPLES exponent expression extracting the square factors figure Find the square find the values following RULE four quantities fourth power fourth root geometrical progression greater greatest common divisor Hence infinite series last term less letters taken logarithm method miles monomial multiplied negative nth root number of combinations number of permutations number of terms obtain original equation polynomial preceding Prob problem quadratic equations quotient radical quantities radical sign ratio Reduce remainder represent Required the cube Required the fourth Required the number Required the square Required the sum second degree second term simple form square root subtract surd THEOREM three numbers tion tities unity unknown quantity values of x Whence whole number zero
Δημοφιλή αποσπάσματα
Σελίδα 229 - 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.
Σελίδα 28 - 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.
Σελίδα 231 - Multiply the divisor, thus increased, by the last figure of the root; subtract the product from the dividend, and to the remainder bring down the next period for a new dividend. 5. Double the whole root already found for a new divisor, and continue the operation as before, until all the periods are brought down.
Σελίδα 76 - 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...
Σελίδα 141 - 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.
Σελίδα 308 - The logarithm of any power of a number is equal to the logarithm of the number multiplied by the exponent of the power.
Σελίδα 13 - Add all the positive coefficients together, and oho all those that are negative ; subtract the least of these results from the greater ; to the difference annex the common letter or letters, and prefix the sign of the greater sum. Thus, instead of 7a— 4a, we may write 3a, since these two expressions obviously have the same value.
Σελίδα 196 - Multiply the last term by the ratio, from the product subtract the first term, and divide the remainder by the ratio, less 1 ; the quotient will be the sum of the series required.
Σελίδα 334 - The number of deaths in a besieged garrison amounted to 6 daily ; and allowing for this diminution, their stock of provisions was sufficient to last 8 days. But on the evening of the sixth day, 100 men were killed in a sally, and afterwards the mortality increased to 10 daily. Supposing the...
Σελίδα 28 - ... 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.