Q. 55.0( 2 Votes )

Find the angle between each of the following pairs of lines:

and

Answer :

Given –


&


To find – Angle between the two pair of lines


Direction ratios of L1 = (4,3,5)


Direction ratios of L2 = (1,-1,1)


Tip – If (a,b,c) be the direction ratios of the first line and (a’,b’,c’) be that of the second, then the angle between these pair of lines is given by


The angle between the lines






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