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Binomio al Cuadrado-Soluciones

\left ( x-1 \right )^{2}

x^{2}-2x+1

 

\left ( x^{z}-y \right )^{2}

x^{2z}-2x^{z}y+y^{2}

 

 

\left ( 1-\frac{1}{z} \right )^{2}

\left ( 1-z^{-1} \right )^{2}

1-2z^{-1}+z^{-2}