 | Silvestre François Lacroix - Algebra - 1818 - 422 pages
...tens plus the unite, or 2 a + b ; this multiplied by 7 or 6, reproduces 609 = 2 ab + 62, or double the product of the tens by the units, plus the square of the units. This being subtracted leaves no remainder, and the operation shows, that 47 is the square root of 2209.... | |
 | Adrien Marie Legendre - Geometry - 1819 - 574 pages
...tens plus the units, or 2 a + b ; this multiplied by 7 or b, reproduces 609 = 2a6 + 6s, or double the product of the tens by the units, plus the square of the units. This being subtracted leaves no remainder, and the operation •hows, that 47 is the square root of... | |
 | Bézout - Arithmetic - 1825 - 258 pages
...the square, the number 2916, which, as we see, is composed of the square of the tens, plus twice the product of the tens by the units, plus the square of the units of the number 54. 134. What we have, observed being an immediate consequence of the rules of multiplication,... | |
 | Zadock Thompson - Arithmetic - 1832 - 186 pages
...square of a number consisting of tens and units is made up of the square of the units, plus twice the product of the tens, by the units, plus the square of the tens. See this exhibited in figure F. As 10X 10=100, the square of the tens can never make a part of... | |
 | Zadock Thompson - Arithmetic - 1832 - 182 pages
...square of a numher consisting of tens and units is made up of the square of the units, plus twice the product of the tens, by the units, plus the square of the tens. See Ihis exhibitcd in figure F. As 10X 10=100, the square of tbe tens can never make a part of... | |
 | Charles Davies - Algebra - 1835 - 378 pages
...that the square of a number composed of tens and units contains, the square of the tens plus twice the product of the tens by the units, plus the square of the units. 117. If now, we make the units 1, 2, 3, 4, &c., tens, by annexing to each figure a cipher, we shall... | |
 | Silas Totten - Algebra - 1836 - 320 pages
...have, for a remainder, after the the square of the tens is taken out, 825. This must contain the double product of the tens by the units, plus the square of the units. If we could separate the square of the units from the double product in this number, we should, evidently,... | |
 | Algebra - 1838 - 372 pages
...that the square of a number composed of tens and units contains, the square of the tens plus twice the product of the tens by the units, plus the square of the units. 117. If now, we make the units 1, 2, 3, 4, &c., tens, by annexing to each figure a cipher, we shall... | |
 | Charles Davies - Algebra - 1839 - 272 pages
...which we bring down the two next figures 84. The result of this operation, 1184, contains twice the product of the tens by the units, plus the square...than tens, it follows that the last figure, 4, can fjorm no part of the double product of the tens by the units : this double product is therefore found... | |
 | Algebra - 1839 - 368 pages
...from 60, which leaves 118 4 a remainder of 11, to which we 0 bring down the two next figures 84. lows that the last figure 4 can form no part of the double product of the tens by the units : this double product is therefore found in the part 118, which we separate from the units' place... | |
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The result of this operation, 1184, contains twice the product of the tens by the units, plus the square of the units. 
