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Using section formula show that the …

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Using section formula show that the point A (2,-3,4) ,B (-1,2,1) and the points C 0,1/3,2)are collniear

    • Posted by Ashwani Kumar 7 years, 8 months ago

    CBSE > Class 11 > Mathematics
    • 3 answers

    Sahil Gupta 7 years, 8 months ago

    First let c is that point is divides a and b m:n=k:1 0=(Kx2+x)/k+1 Just like you do y and z If k is same in all the three then it is collinear

    2Thank You

    Diksha Lohchab 7 years, 8 months ago

    Not that by using section formula at first ;let p be a PT.that divides a and b in k:1ratio ;hence put that coordinates equal to that of pt.c

    0Thank You

    Shrawani Salila 7 years, 8 months ago

    By using distance formula we have, AB=under root 43 BC=under root 43÷3 CA=2×under root 43÷3 Now,AB=BC+CA hence they are collinear.

    0Thank You

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