`(5-x)/(3) =(y+3)/(-2) ,z=5 " and " (x-1)/(1)=(1-y)/(3)=(z-5)/(2)` Find the angle between the lines.

(x)/(1)=y/1=(z)/(-1) " and " (x)/(3) =(y)/(4)=(z)/(5) Find the angle between the lines .

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

(x+1)/(1)=(y-4)/(1)=(z-5)/(2) " and " (x+3)/(3) =(y-2)/(5)=(z+5)/(4) Find angle between the lines .

Consider the pair of lines whose equations are . (x-2)/2=(y-1)/5=(z+3)/-3 and (x+1)/-1=(y-4)/8=(z-5)/4 Find the angle between these two lines.

If the lines (x-1)/(-3)=(y-2)/(2k)=(z-3)/(-2) and (x-1)/(3k)=(y-5)/1=(z-6)/(-5) are at right angle, then find the value of k .

If the lines (x-1)/(-3)=(y-2)/(2k)=(z-3)/(-2) and (x-1)/(3k)=(y-5)/1=(z-6)/(-5) are at right angle, then find the value of k .

If the lines (x-1)/(-3)=(y-2)/(2k)=(z-3)/(-2) and (x-1)/(3k)=(y-5)/(1)=(z-6)/(-5) are at right angle,then find the value of k

Show that the lines (x-5)/(7) =(y+2)/(-5)=(z)/(1) " and " (x)/(1) =(y)/(2)=(z)/(3) are at right angles .

Consider the lines (x-3)/2=(y-1)/5=(z+3)/4 and (x+5)/1=(y+2)/1=(z-3)/2 Find the angle between them.

if the lines (x - 1)/(-3) = ( y - 2)/(2k) = ( z -3)/(2) and (x -1) /(3k) = ( y - 5)/(1) = (z - 6 ) /(-5) are at night angle , then find the value of k .