Difference between revisions of "Power's of 2 in pascal's triangle"
| Line 21: | Line 21: | ||
And on and on... | And on and on... | ||
| − | Remember that <math>\binom{n}{r}=\frac{n!}{k!(n-k)!}</math> where <math>n\ | + | Remember that <math>\binom{n}{r}=\frac{n!}{k!(n-k)!}</math> where <math>n \ge r</math>. |
Revision as of 13:55, 16 June 2019
Review
Pascal's Triangle
Pascal's Triangle is a triangular array of numbers where each number is the sum of the two numbers above it. It Looks something like this:
1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
And on and on...
Patterns and properties
Pascal's Triangle can also be written like this
And on and on...
Remember that 
where 
.
