Answers

2016-08-01T10:49:51+08:00
The most basic example of the binomial theoremis the formula for the square of x + y: ( x + y ) 2 = x 2 + 2 x y + y 2 . {\displaystyle (x+y)^{2}=x^{2}+2xy+y^{2}.\!} The binomial coefficients 1, 2, 1 appearing in this expansion correspond to the second row of Pascal's triangle.
0