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Questions  

The equation of a line passing through the point 1,1,1and parallel to yz-plane is 

a
x−11=y−10=z−10
b
x−10=y−11=z−11
c
x−11=y−01=z−01
d
x−11=y−00=z−01

detailed solution

Correct option is B

The direction cosines of any line parallel to the  yz-plane is  0,1,1Therefore, the equation of the line passing through the point  1,1,1and parallel to the line whose direction ratio are 0,1,1 is x−10=y−11=z−11

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