Question: Dada la interseccin: (x + 2) 2 + (y ? 4) 2 + (z ? 4) 2 = 9 x + 2y ? z +

Dada la intersecciÃ³n: (x + 2) 2 + (y ? 4) 2 + (z ? 4) 2 = 9 x + 2y ? z + 3 = 0 a) Hallar el punto que equidista entre los centros del circulo y la esfera. b) Hallar el radio del circulo.

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