dados os planos a = 2x+y–z–10 = 0 e b =-x +y + 2z + 55 = 0, marque a alternativa que apresenta o valor correto para o ângulo entre a e b

Disciplina:Geometria Analítica1.519 materiais
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Os planos
x + y + z - 4 = 0 e
2x + 2y + 2z - 3 = 0
são paralelos.
Determine a distância entre eles.

Obs.: A resposta deverá ser um número decimal, utilize 3 casas após a vírgula (descarte os demais dígitos) e acrescente u.c. (distância em unidades de comprimento
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