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Let P be an arbitrary point having sum of the squares of the distances from the planes x+y+z=0,lx−nz=0 and x−2y+z=0, equal to 9. If the locus of the point P is x2+y2+z2=9, then the value of l−n is equal to |
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Answer» Let P be an arbitrary point having sum of the squares of the distances from the planes x+y+z=0,lx−nz=0 and x−2y+z=0, equal to 9. If the locus of the point P is x2+y2+z2=9, then the value of l−n is equal to |
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