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Questions  

Equation of a line passing through -1,2,-3 and perpendicular to the plane 2x+3y+z+5=0 is

a
x−1−1=y+21=z−3−1
b
x+1−1=y−2−1=z+31
c
x+12=y−23=z+31
d
x+11=y−21=z+31

detailed solution

Correct option is C

The direction ratios of normal to the plane 2x+3y+z+5=0 are ⟨2,3,1⟩Hence the equation of the line passing through the point -1,2,-3 and having direction ratios ⟨2,3,1⟩ is x+12=y−23=z+31

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