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Question

The equation of the plane containing the line fraction numerator x with not stretchy bar on top minus alpha over denominator 1 end fraction equals fraction numerator y minus beta over denominator m end fraction equals fraction numerator z minus gamma over denominator n end fraction text  is  end text stack a with _ below with _ below left parenthesis x minus alpha right parenthesis plus b left parenthesis y minus beta right parenthesis plus c left parenthesis z minus gamma right parenthesis equals 0 where al + bm + cn is equal to

 

  1.  
  2. -1   
  3.  
  4.  

The correct answer is:


    Since these two lines are intersecting so shortest distance between the lines will be 0.
    Hence (c) is the correct answer.

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