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Questions  

The equation of straight line passing through the point (a,b,c) and parallel to z-axis is

a
x−a1=y−b1=z−c3
b
x−a0=y−b1=z−c1
c
x−a1=y−b0=z−c0
d
x−a0=y−b0=z−c1

detailed solution

Correct option is D

The equation of straight line passing through the point (a,b,c) and parallel to z-axis is x−a0=y−b0=z−c1   since z-axis d.r's are  0,0,1

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