Libros Libros
The square of the sum of two numbers is equal to the square of the first number plus twice the product of the first and second number plus the square of the second number.
The Theory and Practice of Surveying: Containing All the Instructions ... - Página 24
por Robert Gibson - 1832 - 348 páginas
Vista completa - Acerca de este libro

William James Milne - 1901 - 444 páginas
...the sum of two numbers obtained from the numbers ? 3. What signs have the terms ? 91. PRINCIPLE. — The square of the sum of two numbers is equal to the square of the first number, plus twice the product of the first and second, plus the square of the...
Vista completa - Acerca de este libro

## Elements of Algebra with Exercises

George Egbert Fisher, Isaac Joachim Schwatt - 1902 - 478 páginas
...Expression. 1. By actual multiplication, we have (a + 6)2 = (a + 6) (а + Ь)=а3+2аЬ + Ь\ That is, the square of the sum of two numbers is equal to the square of the first number, plus twice the product of the two numbers, plus the square of the second...
Vista completa - Acerca de este libro

## Advanced Algebra for Colleges and Schools

William James Milne - 1902 - 608 páginas
...the sum of two numbers obtained from the numbers? 3. What signs have the terms ? 91. PRINCIPLE. — The square, of the sum of two numbers is equal to the square of the ßrst number, plus twice the, product of the Jirxt and second, plux the minare of the...
Vista completa - Acerca de este libro

## The Arithmetic Help, for Pupils, Teachers, Business Men

Alvord D. Robinson - 1902 - 515 páginas
...use the exponent to save + ab + b3 repetition. From the work, the following principle is derived: — The square of the sum of two numbers is equal to the square of the first, plus two times the first by the second, plus the square of the second. 2. Multiply...
Vista completa - Acerca de este libro

## School Algebra

John Marvin Colaw - 1903 - 432 páginas
...the sum of two numbers. By multiplication, we have (x +/)2 = O +/) O +/) = x' + 2 xy +/-. That is, the square of the sum of two numbers is equal to the square of the first, plus twice their product, plus the square of the second. Thus, and = 42+2(4x3)...
Vista completa - Acerca de este libro

## New Grammar School Arithmetic, Parte2

John Henry Walsh - 1903
...Multiplying by 20 202 + 20 x 5 Multiplying by 5 20 x 5 + 52 202 + 2(20 x 5) + 52 = 400 + 200 + 25 = 625. 414. The square of the sum of two numbers is equal to the square of the first + twice the product of the first by the second + the square of the second. 132=(10...
Vista completa - Acerca de este libro

## A First Book of Algebra

John William Hopkins, Patrick Healy Underwood - 1904 - 245 páginas
...required product is the sum of a(a + b) and b(a + ab + V* Hence, (a + 6)2 = a2 + 2 ab + i2. Hence, The square of the sum of two numbers is equal to the square of the first number plus twice the product of the first number and the second number plus the...
Vista completa - Acerca de este libro

## Commercial Arithmetic...

Samuel Jackson - 1904 - 406 páginas
...Involution. In squaring and cubing numbers the following Algebraic principles are very useful : — (1) The square of the sum of two numbers is equal to the sum of the squares of the numbers 4- twice the product. (2) The square of the difference of two numbers...
Vista completa - Acerca de este libro

## Elementary Algebra

Arthur Schultze - 1905
...special mention : П. (а-6)2 = а2III. (а + 6) (а -6) = а2 -Ь3. Expressed in general language : I. The square of the sum of two numbers is equal to the square of the first, plus twice the product of the first and the second, plus the square of the second....
Vista completa - Acerca de este libro