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I'm a software developer interested in the recreational side of mathematics.


$$ \displaystyle(x+y)^{z}=x^z+\frac{z}{1!} x^{z-1}y^1+\frac{z(z-1)}{2!} x^{z-2}y^2+\frac{z(z-1)(z-2)}{3!} x^{z-3}y^3+\cdots $$

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Álvaro de Campos.

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