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If the origin is the centroid of a trian...

If the origin is the centroid of a triangle ABC having vertices `A(a ,1,3),\ B(-2, b ,-5)a n d\ C(4,7, c)` , find the values of `a , b , cdot`

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Given that origin is the centroid of the `DeltaABC` i.e. G (0,0,0)
`0= (a-2+4)/3 Rightarrowa=-2`
` 0= (1+b+7)/3Rightarrowb=-8`
`0=(3-5+c)/3Rightarrow c = +2`
a=-2, b=-8 and c=2
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NCERT EXEMPLAR-INTRODUCTION TO THREE DIMENSIONAL GEOMETRY-Fillers
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  9. The equation of Z - axis , are…………..

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  10. A line is parallel to XY- plane if all the points on the line have equ...

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  11. A line is parallel to X-axis,if all the points on the line have equal…...

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