KEAM 2017 Math Paper

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Question : 47 of 120

Marks: +1, -0

he 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

is

cos−1(
21
9√38
)
cos−1(
23
9√38
)
cos−1(
24
9√38
)
cos−1(
25
9√38
)
cos−1(
26
9√38
)

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