| Thomas Simpson - 1821 - 426 páginas
...Also 12 + 8 x 10 + 5= 300. 16 x 7,5 = 120 16 + 8 x 7,5 + 5 = 300. PROBLEM L. , Tofind two numbers, so that their sum, their product, and the difference of their squares, may be all equal to one another. The greater being denoted by x, and the lesser by y, we have x + y = xy, and x + y... | |
| James Ryan - 1824 - 550 páginas
...have been found, if the two unknown quantities were represented by x and y respectively. Problem 1. Required two numbers, such, that their sum, their...the difference of their squares, may be all equal. Let af-ry=the greater; and x—y= the lesser; , lhe and 2x=( From the 2d equation y=% ; .*. y"—\... | |
| James Ryan, Robert Adrain - 1824 - 542 páginas
...have been found, if (he two unknown quantities were represented by x and y respectively. Problem 1. Required two numbers, such, that their sum, their...the difference of their squares, may be all equal. Let z-fys=the greater; and x— y— the lesser; . the and 2x= From the 2d equation, y=| ; .*. ya—\... | |
| James Ryan - 1826 - 430 páginas
...have been found, it' the two unknown quantities were represented by x and y respectively. Problem. 1. Required two numbers, such, that their sum, their product, and the difference ol their squares, may be all equal. Let xJy=the greater ; and x— y= the lesser ; • •ZX=(X+y].(X-fcf-f.... | |
| John Bayley (fellow of Emmanuel College, Cambridge.) - 1830 - 428 páginas
...#=the less, 1fn=3; o+arf+«— жУ = i; &c. Ifи=4; a+xY+a — x\4=b ; &c. x}5 — b; &c. 105. Find two numbers, such that their sum, their product, and the difference of their squares may be each other. Answer, £ + \/1 and | 106. Find three numbers in arithmetical progression, such that the... | |
| Alexander Ingram - 1830 - 458 páginas
...and also the product F, of the sums when each is increased by a given number (a and 6). 14. To find two numbers such, that their sum, their product, and the difference of their squares, shall be all equal. , Ans. x=. 15. Given the sum a, of two numbers, and the sum of their square roots... | |
| Silas Totten - 1836 - 332 páginas
...two numbers is 7, and the sum of their 5th powers 3157. Required the numbers. Ans. 5 and 2, 16. Find two numbers, such that their sum, their product, and the difference of their squares, may all be equal to one another. Ans. £ ± ^ V5, and f ± ^ V5. 17. Divide the number 100 into two such... | |
| 1836 - 530 páginas
...because the equations (A) and (B) are symmetrical with respect to x and y. [See art. 112.] 214. Find two numbers such that their sum, their product, and the difference of their squares, shall be all equal. As before, let the one be x and the other y. Their sum is x + y, their product... | |
| Davis Wasgatt Clark - 1844 - 394 páginas
...quotient will be 2; but, if 27 be added to the number, the digits will be inverted 1 Jlns. 36. 9. Find two numbers such that their sum, their product, and the difference of their squares may all be equal to one anothe r. Jlns, £ ± £ v/ 5, and f ± £ v/ 5. 10. A and B hired a pasture, into... | |
| Alexander Ingram - 1844 - 262 páginas
...and also the product P, of the sums when each is increased by a given number (a and b}. 14. To find two numbers such, that their sum, their product, and the difference of their squares, shall be all equal. , 1+J5 , 3.HJ5 Ans. y = .=yL., anda; = — v . 15. Given the sum a, of two numbers,... | |
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