Three Dimensional Geometry

⭐ Important Questions

1. Find equation of line through (1,2,3) with DR 2,3,4.
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   (x-1)/2 = (y-2)/3 = (z-3)/4
2. Find distance from (1,2,3) to plane 2x+3y-z+5=0.
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   d = |2(1)+3(2)-1(3)+5|/√4+9+1\n= |2+6-3+5|/√14 = 10/√14 units