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[obm-l] Algebra Linear
- To: obm-l@xxxxxxxxxxxxxx
- Subject: [obm-l] Algebra Linear
- From: Klaus Ferraz <klausferraz@xxxxxxxxxxxx>
- Date: Fri, 7 Jul 2006 21:27:29 +0000 (GMT)
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1) A reta s, que passa pela ponto P(1,-2,1), corta a reta r de equacoes x-1=y/2=(z-2)/3 e é perpendicular a r, tem equacoes: (na forma parametrica)
2) A reta r é paralela aos planos alpha, de equacao 3x-4y+9z=0 e beta, de equacao 3x+12y-3z=17; corta as retas s e t de equacoes: s: x/2=(4-y)/3=(z+5)/4 e t: x-8=(2-y)/2= -z-3. As coordenadas do ponto de intersecao de r e s é:
Grato.
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