Math Chapter Wise The Plane And The Line (Cartesian And Vector) English MCQ UP PCS (Pre) 2004 & 2005 Q.The shortest distance between the lines x + 3 y – 6 z x + 2 y z – 7 = and =, – 4 3 2 – 4 1 1 is: A21 B9 C27 Dnone of the above Show answer Correct answer: 9