An Elementary Treatise on Algebra: Designed to Facilitate the Comprehension, Demonstration and Application of the Leading Principles of that ScienceE. Morgan & Company, 1845 - 294 pàgines |
Frases i termes més freqüents
2nd terms a²+2ab+b² added becomes binomial factors change of sign coeficient common denominator contains contrary sign couriers cube root degree derived polynomial determine divi divide dividend division entire quantities ENUNCIATION-It is required equa examine example exponent expression extract the root extract the square following RULE fourth fraction geometrical progression given equation gives greater greatest common divisor Hence incommensurable investigation irreducible fraction last term less logarithms miles minuend minus multiplicand multiply nth root number of terms obtain partial product perfect squares primitive equation proceed quan quotient reduced remainder Required the roots result root already found second member second term simple equations square root substitute subtract subtrahend suppose surds Take the equation third term three equal roots tion tity Transpose travels units unity whole number
Passatges populars
Pàgina 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.
Pàgina 142 - B's journey in 15$ days, but B would have been 28 days in performing A's journey. What was the distance between C and D ? Ans.
Pàgina 32 - The square of the difference of two quantities is equal to the square of the first, minus twice the product of the first and second, plus the square of the second. Thus, (a — 6)* = (a — b) (a — 6)=a2— 2a6 + 6'.
Pàgina 96 - Two persons, A and B, lay out equal sums of money in trade ; A gains $126, and B loses $87, and A's money is now double of B's : what did each lay out ? Ans. $300.
Pàgina 58 - Multiply the numerators together for a new numerator, and the denominators together for a new denominator.
Pàgina 142 - What number is that, which, being divided by the product of its digits, the quotient is 3 ; and if 18 be added to it, the digits will be inverted ? Ans.
Pàgina 99 - A person bought a chaise, horse, and harness for 60?.; the horse came to twice the price of the harness, and the chaise to twice the price of the horse and harness ; what did he give for each ? Ans. 13/.
Pàgina 99 - Divide the number 90 into 4 such parts, that the . first increased by 2, the second diminished by 2, the third multiplied by 2, and the fourth divided by 2, shall all be equal.
Pàgina 163 - Multiply the complete divisor by the second term of the root, and subtract the product from the remainder.
Pàgina 163 - Divide the first term of the remainder by three times the square of the first term of the root as a trial divisor, and the quotient will be the next term of the root.