TS EAMCET 06 May 2019 Shift 1 Solved Paper

Section: Mathematics
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Question : 24 of 160
 
Marks: +1, -0
If x1,x2,x3 are the real roots of the equation x3−x2 tan θ + x tan2 θ + tan θ = 0 and 0 < θ <
π
4
, then the value of tan−1x1+tan−1x2+tan−1x3 at θ =
π
12
is
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