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# 4.1.08 Pascals Triangle2

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### 4.1.08 Pascals Triangle2

1. 1. Pascal’s Triangle An array of numbers derived from many different combinations . To generate this array, we make a chart: 6 5 4 3 2 1 0 6 5 4 3 2 1 0 n r
2. 2. Pascal’s Triangle An array of numbers derived from many different combinations . To generate this array, we make a chart: 6 5 4 3 2 1 0 6 5 4 3 2 1 0 n r
3. 3. Pascal’s Triangle We more commonly see the triangle written in its isosceles form: To find the r th term of the n th row, what would you do? . In other words, gives you the (r +1) st term in the n th row.
4. 4. Some Properties of Pascal’s Triangle 1. 2. 3. 4. 5.
5. 5. <ul><li>Find the first four terms in row 9 of Pascal’s Triangle. </li></ul><ul><li>Find the last four terms in row 9 of Pascal’s Triangle. </li></ul><ul><li>Find the remaining two terms in row 9 of Pascal’s Triangle. </li></ul>