Question

The shortest distance between the lines

and is

• A. 6
• B. 0
• C. 2
• D. 4

Answer 1

Answer: (B)

0

Answer 2

S.D.. $= \left| \frac { ( - 3 i - 9 j + 2 k ) \cdot ( 3 i - j ) } { \sqrt { 9 + 81 + 4 } } \right| = \frac { - 9 + 9 + 0 } { \sqrt { 94 } }$

Hence, S.D. = 0