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anonymous

  • 4 years ago

I speak spanish sorry for my english but this is the question: a, b and c are three vectors not null and not parallel each other, such that their initial points coincide and their endpoints are collinear. If xa + yb + zc = 0, determine x + y + z. a)4 b)3 c)2 d)1 e)0

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  1. anonymous
    • 4 years ago
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    x, y y z son escalares por lo que veo.

  2. anonymous
    • 4 years ago
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    Si sus punto finales son colineares, entonces los tres están contenidos en un mismo plano.

  3. anonymous
    • 4 years ago
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    Bueno, si los vectores son colineares, entonces no son linealmente independientes, es decir, existen escalares x,y y z diferentes de 0 tal que se cumpla la ecuación de dependencia lineal que tienes ahi.

  4. anonymous
    • 4 years ago
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    Mmm pero eso no resuelve nada =/

  5. anonymous
    • 4 years ago
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    Lo siento amigo no se me ocurre nada. Hazme saber si lo puedes solucionar.

  6. anonymous
    • 4 years ago
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    Yo creo que la clave está en que tienen un punto en común. Pero no logro trasladarlo a una ecuación o algo matemático.

  7. anonymous
    • 4 years ago
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    ok bueno gracias igual seguire intentando

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spraguer (Moderator)
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