 | Thomas H. Palmer - Arithmetic - 1854 - 368 pages
...CUBE of any number of tens and units is equal to the cubes of the tens and units taken separately, plus three times the square of the tens multiplied by the units, and three times the square of the units multiplied by the tens. 9. Involve 18 to the third power, as... | |
 | Thomas H. Palmer - Arithmetic - 1854 - 356 pages
...2. The CUBE of any number of tens and units=the cubes of the tens and of the units taken separately, plus three times the square of the tens multiplied by the units, and three times the square of the units multiplied by the tens, p. 166. XVI. In common fractions, 1.... | |
 | Benjamin Greenleaf - Arithmetic - 1857 - 452 pages
...the units, tens, hundreds, &c. of the cube root of that number. 2. The cube of a number consisting of TENS and UNITS is equal to the cube of the tens, plus three times the square of the tens into the units, plus three times the tens into the square of the units, plus the cube of the units.... | |
 | Charles Davies - Algebra - 1857 - 408 pages
...6 ; we shall have, N — a + b ; whence, N3 = a3 + 3a26 + 3aJ2 + b3 ; that is, The cube of a number is equal to the cube of the tens, plus three times the product of the square of the tens by the units, plus three times the product of the tens by the square... | |
 | Benjamin Greenleaf - Arithmetic - 1858 - 458 pages
...the units, tens, hundreds, &c. of the cube root of that number. 2. Tlie cube of a number consisting of TENS and UNITS is equal to the cube of the tens, plus three times the square of the tens into the units, plus three times the tens into the square of the units, plus the cube of the units.... | |
 | Benjamin Greenleaf - Arithmetic - 1858 - 472 pages
...the units, tens, hundreds, &c. of the cube root of that number. 2. Tlie cube of a number consisting of TENS and UNITS is equal to the cube of the tens, plus three times the square of tht tens into the units, plus three times the tens into the square of the units, plus the cube of the... | |
 | Benjamin Greenleaf - Arithmetic - 1858 - 456 pages
...hundreds, &c. of the cube root of that number. 2. TJie cube of a number consisting of TENS and UNITS it equal to the cube of the tens, plus three times the square of the tens into the units, plus three times the tens into the square of the units, plus the cube of the units.... | |
 | Benjamin Greenleaf - Arithmetic - 1860 - 460 pages
...the units, tens, hundreds, &c. of the cube root of that number. 2. The cube of a number consisting of TENS and UNITS is equal to the cube of the tens, plus three times the square of the tens into the units, plus three times the tens into the square of the units, plus the cube of the units.... | |
 | Charles Davies - Algebra - 1860 - 412 pages
...b ; we shall have, N — a + 6 ; whence, N3 = a3 + 3a26 + 3a62 + b3 ; that is, The cube of a number is equal to the cube of the tens, plus three times the product of the square of the tens by the units, plus thret times the product of the lens by the square... | |
 | Horatio Nelson Robinson - Arithmetic - 1860 - 444 pages
...second, 240, is twice 40 multiplied by 3 ; and the third, 9, is the square of 3. Hence, III. The square of a number composed of tens and units is equal to the square, of the tens, plus twice the tens multiplied by the units, plus the square of the units. By... | |
| |
On inspecting the above examples, it will be perceived that the cube of a number composed of tens and units is equal to the cube of the tens... 
