# A Treatise on the Elements of Algebra

Adam and Charles Black, 1837 - 80 σελίδες

### Τι λένε οι χρήστες -Σύνταξη κριτικής

Δεν εντοπίσαμε κριτικές στις συνήθεις τοποθεσίες.

### Περιεχόμενα

 FIRST PRINCIPLES 1 Praxis on the Definitions 14 FUNDAMENTAL OPERATIONS 21 ELEMENTS OF THE THEORY OF NUM 59 FRACTIONS 77 POWERS 115 CHAP v1 SURDS 140 SIMPLE EQUATIONS 157
 QUADRATIC EQUATIONS Page 208 Quadratics containing two unknown quan 227 SOLUTION OF PROBLEMS 236 PROPORTION AND PROGRESSION 253 LOGARITHMS 269 THEORY OF QUADRATIC EQUATIONS 277 CUBIC EQUATIONS 284 INDETERMINATE COEFFICIENTS 290

### Δημοφιλή αποσπάσματα

Σελίδα 249 - London, in order to distinguish his own from any he might meet on the road, pulled three feathers out of the tail of each turkey, and one out of the tail of each goose ; and, upon counting them, found that the number of turkey's feathers exceeded twice those of the geese by 15.
Σελίδα 271 - The logarithm of a product is equal to the sum of the logarithms of its factors.
Σελίδα 242 - A vintner sold 7 dozen of sherry and 12 dozen of claret for £50, and finds that he has sold 3 dozen more of sherry for £10 than he has of claret for £6. Required the price of each.
Σελίδα 256 - In any proportion, the product of the means is equal to the product of the extremes.
Σελίδα 256 - In any series of numbers in arithmetical progression, the sum of the two extremes is equal to the sum of any two terms equally distant from them; as in the latter of the above series 6 + 1=4+3, and =5+2.
Σελίδα 294 - To cut a given straight line so that the rectangle contained by the whole and one of the segments is equal to the square on the remaining segment.
Σελίδα 249 - ... feathers exceeded twice those of the geese by 15. Having bought 10 geese and sold 15 turkeys by the way, he was surprised to find, as he drove them into the poulterer's yard, that the number of geese exceeded the number of turkeys in the proportion of 7 to 3.
Σελίδα 246 - A man and his wife usually drank out a cask of beer in 12 days ; but when the man was from home, it lasted the woman 30 days ; how many days would the man alone be in drinking it ? Ans.
Σελίδα 250 - There are two square buildings, that are paved with stones, a foot square each. The side of one building exceeds that of the other by 12 feet, and both their pavements taken together contain 2120 stones. What are the lengths of them separately 1 Ans.
Σελίδα 249 - A man and his wife could drink a barrel of beer in 15 days. After drinking together 6 days, the woman alone drank the remainder in 30 days. In what time would either alone drink a barrel...