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Find the angle between the pair of lines...

Find the angle between the pair of lines `(x-2)/2=(y-1)/5=(z+3)/(-3)` and `(x+2)/(-1)=(y-4)/8=(z-5)/4`

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Find the angle between the following pair of lines: (x-2)/2=(y-1)/5=(z+3)/-3 and (x+2)/-2=(y-4)/8=(z-5)/4 .

Find the angle between the following pairs of lines : (x-2)/2=(y-1)/5=(z+3)/-3 and (x+2)/-1=(y-4)/8=(z-5)/4

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

Find the angle between the followig pair of lines : (-x+2)/-2=(y-1)/7=(z+3)/-3 and (x+2)/-1=(2y-8)/4=(z-5)/4 and check whether the lines are parallel or perpendicuar.

Find the angle between the pair of lines (x-5)/7=(y+2)/(-5)=z/1 and x/1=y/2=z/3

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

OMEGA PUBLICATION-HP BOARD MARCH 2017-SERIES -C
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