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Pau CyL Junio 2014
Calcular la recta contenida en el plano π 1 ≡ x + y + z =3 , paralela al plano
π 2 ≡ x = 0 , y que pasa por el punto simétrico de B(-1 , 1 , 1) respecto de π 2 .
Se muestra solución geométrica.