 | Charles Swain Thomas - English language - 1927 - 642 pages
...proposition in mathematics: The square of the sum of two quantities is equal to the square of the first, plus twice the product of the first by the second, plus the square of the second. As a boy of thirteen I memorized those words with only the slightest notion of the unit of thought... | |
 | Electrical engineering - 1992 - 270 pages
...+ 2d)2 6. Square of Difference of -Two Numbers. The square of the difference of two numbers equals the square of the first, minus twice the product of the first and second, plus the square of the second. For example, (a — 6)2 = a2 — 2o6 + 6*. The factors of... | |
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The square of the difference of two quantities is equal to the square of the first, minus twice the product of the first by the second, plus the square of the second. 
