Q.

The angle between the lines x = 1, y = 2 and y = –1, z = 0 is

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a

π2

b

π6

c

π3

d

00

answer is A.

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Detailed Solution

The line x = 1, y = 2 is parallel to z-axis. The line y = 1, z = 0 is parallel to x-axis.Angle between the lines is π2
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