# algebra

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(x+y) to the 5th power

• algebra -

look at row 5 of Pascal's triangle
1 5 10 10 5 1

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

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