KEAM 2012 Math Paper

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Question : 77 of 120

Marks: +1, -0

The angle between the lines 2x+11y−7=0and x+3y+5=0 is equal to

tan−1(
17
31
)
tan−1(
11
35
)
tan−1(
1
7
)
tan−1(
33
35
)
tan−1(
7
33
)

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