Find the shortest distance between the lines.
`(x+1)/7=(y+1)/(-6)=(z+1)/1 " and " (x-3)/1=(y-5)/(-2)=(z-7)/1`.

Find the shortest distance between the lines (x+1)/(7)=(y+1)/(-6)=(z+1)/(1)(x-3)/(1)=(y-5)/(-2)=(z-7)/(1)

Find the shortest distance between the lines : (x+1)/5=(y+1)/-6=(z+1)/2 and (x-3)/4=(y-5)/-2=(z-7)/1 .

Find the shortest distance between the lines ((x+1)/4=(y-3)/-6=(z+1)/1 and (x+3)/3=(y-5)/2=(z-7)/6

Find the shortest distance between the lines : (x+1)/4=(y-3)/-6=(z+1)/1 and (x+3)/3=(y-5)/2=(z-7)/6 .

Find the shortest distance between the following lines: (x+1)/7=(y+1)/(-6)=(z+1)/1;(3-x)/(-1)=(y-5)/(-2)=(z-7)/1

Find the shortest distance between the lines (x-6)/(3)=(y-7)/(-1)=(z-4)/(1) and (x)/(-3)=(y-9)/(2)=(z-2)/(4)