An Introduction to Algebra: With Notes and Observations : Designed for the Use of Schools and Places of Public Education : to which is Added an Appendix on the Application of Algebra to Geometry
Evert Duyckinck, Daniel D. Smith and George Long, 1818 - 260 sider
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according added Algebra answer applied approximation arise arithmetical assumed base changed circle coefficient common compound consequently contained continued cube root decimal denominator denoted determine difference division divisor equal equation EXAMPLES expression extracting extremes figure find the square find the sum find the value former four fourth fraction geometrical give Given greater greatest Hence infinite series kind known least less letters logarithms manner means measure method multiplied natural necessary negative Note observed obtained operation performed perpendicular person placed positive PRACTICE PROBLEM progression proper proportion quadratic question quotient rational reduced remainder represented Required the sum required to divide required to find resolved result right angled rule second term sides simple sought square number square root substituted subtracted surd taken taking third tion triangle unknown quantity usual value of x Whence whole numbers
Side 37 - Now .} of f- is a compound fraction, whose value is found by multiplying the numerators together for a new numerator, and the denominators for a new denominator.
Side 40 - ... required. Or, multiply the quantity into itself as many times, less one, as is denoted by the index of the power, and the last product will be tJie answer.
Side 199 - From which it is evident, that the logarithm of the product of any number of factors is equal to the sum of the logarithms of those factors.
Side 105 - A hare is 50 leaps before a greyhound, and takes 4 leaps to the greyhound's 3 ; but 2 of the greyhound's leaps are equal to 3 of the hare's ; how many leaps must the greyhound take, to catch the hare ? Let x be the number of leaps taken by the hound.
Side 119 - It is required to divide the number 24 into two such parts, that their product may be equal to 35 times their difference. Ans. 10 and 14.
Side 105 - 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...
Side 106 - If A and B together can perform a piece of work in 8 days, A and C together in 9 days, and B and C in 10 days : how many days would it take each person to perform the same work alone ? Ans.
Side 119 - It is required to divide the number 60 into two such parts, that their product shall be to the sum of their squares in the ratio of 2 to 5.
Side 31 - To reduce an improper fraction to a whole or mixed quantity. RULE. Divide the numerator by the denominator, for the integral part, and place the remainder, if any, over the denominator, for the fractional part; then the two, joined together, with the proper sign between them, will give the mixed quantity required.