KEAM 2014 Math Paper

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Question : 10 of 120

Marks: +1, -0

The angle between the straight lines x−1=

2y+3

3

=

z+5

2

and x=3r+2;y=−2r−1;z=2, where r is a parameter, is

π
4
cos−1(
−3
√182
)
sin−1(
−3
√182
)
π
2
0

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