Planes

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  • #76261
    Lavisha Sharma
    Participant

    A variable plane passes through a fixed point ( a, b, c) and cuts the coordinate axes at P, Q, R . Then the coordinates (x , y, z) of the centre of the sphere passing through P, Q, R and the origin satisfy the equation :

    a.) $(\frac ax) + (\frac by) +(\frac cz) =2$

    b.) $(\frac xa) +(\frac yb) +(\frac zc) =3$

    c.) $ax + by + cz =1$

    d.) $ax + by + cz = aa + aa + cc $

    • This topic was modified 2 weeks, 5 days ago by Saumik Karfa.
    #76289
    Saumik Karfa
    Moderator
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