1-tan x Let f (x) = XES 4x - 1 x) i...
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1-tan x Let f (x) = XES 4x - 1 x) is continuous in (o.. then s() is continuous in 10.- (a) – 1/2 (c)1 (b) 1/2 (d)-1

JEE/Engineering Exams
Maths
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( x_{>frac{pi}{4}} frac{1-tan x}{4 x-pi}=frac{0}{0} tan x ) ( =frac{cos 1-sin 1+e}{x+pi / 4} frac{-operatorname{sen}^{2} x}{4} ) ( =frac{-1}{4} sec ^{2} frac{pi}{4}=frac{-1}{2} cdot(9) )
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