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Class 12
Maths :-NCERT Solutions - Three Dimensional Geometry

Page No 478:
Question 16:
Find the shortest distance between the lines whose vector equations are


Answer:

The given lines are and 

It is known that the shortest distance between the lines,  and , is given by,

Comparing the given equations with  and , we obtain 

Substituting all the values in equation (1), we obtain

Therefore, the shortest distance between the two given lines is units.