To work out Pascal's Triangle, you start with two ones at the top. From there on, you add the two numbers above to get the next number. The numbers on the outside will always be 1.
....1.....1
...1...2...1
..1..3...3..1
.1.4...6...4.1
1 5 10 10 5 1
its useful if you work as a architect
Pascal's triangle
pascal
The Sierpinski Triangle
pascals triangle is used to solve math problems that have chance of 2 different outcomes, such as flipping a coin
in the 11th century...
(a+b)7
35
1,4,6,4,1
Blaise Pascal.
Pascal didn't invent pascals triangle, he just made It popular. A Chinese mathematician invented it in about 1015.
The expanded binomial is another name for Pascal's triangle.