| Joseph Victor Collins - Algebra - 1913 - 360 pages
...2 ab + 6 2 . THEOREM. The square of the sum of two quantities equals the square of the first, plus twice the product of the first by the second, plus the square of the second. a. The student should point to the corresponding symbols in the formulas of this article as he saya... | |
| William Benjamin Fite - Algebra - 1913 - 304 pages
...language as follows : The square of the sum of two terms is equal to the square of the first term plus twice the product of the first by the second, plus the square of the second term. In a similar way the student should form the product of a — b and a — b and formulate the... | |
| Jacob William Albert Young, Lambert Lincoln Jackson - Algebra - 1913 - 312 pages
...second. 142. Type IV: (x -/)2 = x2 - 2 xy +/. In words : The square of the difference of two numbers is the square of the first, minus twice the product of the first and the second, plus the square of the second. For example : (a + iг2)2 = a2 + 2 ab2 + Ь4. (2a- Ь)2... | |
| Fletcher Durell - 1914 - 458 pages
...which, stated in general language, is the rule: The square of the difference of two quantities equals the square of the first, minus twice the product of...first by the second, plus the square of the second. Ex. 1. (2x - 3т/)2 = 4z2 - 12xy + Qy2 Product Ex. 2. [(z + 2y) -5]2 = (a- + 2y)2- 10(x + 2y) + 25... | |
| Fletcher Durell - 1914 - 462 pages
...language, is the rule: The square of the sum of two quantities equals the square of the first, plus twice the product of the first by the second, plus the square of the second. Ex. 1. (2x + 3y)2 = 4z2 + 12xy + Qy2 Product Ex. 2. 1042 = (100 + 4)2 = 1092 + 8 X 100 + 42 = 10,000... | |
| Fletcher Durell - Algebra - 1914 - 606 pages
...which, stated in general language, is the rule: The square of the difference of two quantities equals the square of the first, minus twice the product of the first by tlie second, plus the square of the second. Ex. 1. (2x - Зг/)2 = 4a;2 - \2xy + Qy2 Product Ex. 2.... | |
| Fletcher Durell - Algebra - 1914 - 404 pages
...which, stated in general language, is the rule: The square of the difference of two quantities equals the square of the first, minus twice the product of the first by ilie second, plus the square of the second. Ex. 1. (2x - 3г/)2 = 4z2 - 12xy + 9î/2 Product Ex. 2.... | |
| Ernest McCullough - Surveying - 1915 - 468 pages
...second, plus the square of the second. Example. — (a + b)2 = a2 + 2 ab + b2. a +b a +b ab 2. The square of the difference of two quantities is equal...first by the second, plus the square of the second. Example. — (a - b)2 = o? - 2 ab + b2. a — b a — b a* -ab 3. The product of the sum and difference... | |
| Herbert Ellsworth Slaught, Nels Johann Lennes - Algebra - 1915 - 402 pages
...•«/.•<.• (a — o)2 = a2 — 2 ao + o2. That is, the square of the difference of two numbers is equal to the square of the first, minus twice the product of the two numbers, plus the square of the second. Example. By means of this formula, find the square of «... | |
| Herbert Ellsworth Slaught, Nels Johann Lennes - Algebra - 1915 - 412 pages
...difference of two numbers: (fl _ 6)2 = a2 - 2 a6 + 62. That is, the square of the difference of two numbers is equal to the square of the first, minus twice the product of the two numbers, plus the square of the second. Example. By means of this formula, find the square of a... | |
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