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May 29, 2015

Homework Help: alg2

Posted by sara on Wednesday, April 11, 2007 at 7:53pm.

how would you set this problem up using pascal's triangle?

(x+y)5 (raised to the 5th power)

5th row, 6 terms.

http://en.wikipedia.org/wiki/Pascal's_triangle

1
1 1
1 2 1
1 3 3 1
1 4 6 4 1
1 5 10 10 5 1
1 6 15 20 15 6 1

so (x+y)^5
= x^5 + 5x^4y + 10x^3y^2 + .... + y^5

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