3-d

Question: The co-ordinates of a point which is equidistant from the points $(0,\,0,\ 0),(a,\,0,\,0),(0,\,\,b,\,\,0)$ and $(0,\,0,\,c)$ are given by

1) $\left( \frac{a}{2},\frac{b}{2},\frac{c}{2} \right)$

2) $\left( -\frac{a}{2},-\frac{b}{2},\frac{c}{2} \right)$

3) $\left( \frac{a}{2},\,\,-\frac{b}{2},\,-\frac{c}{2} \right)$

4) $\left( -\frac{a}{2}\,\,,\frac{b}{2},\,-\frac{c}{2} \right)$

Solution:

Explanation: No Explanation

System of co-ordinates Direction cosines and direction ratios Projection

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