JEE Advanced 2020 Concept Recapitulation Test 4 Paper 2

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Question : 52 of 54
 
Marks: +1, -0
If l1 and l2 are the least and greatest distance between parallel tangents drawn to the curve f(x)=x−sin‌x where x∈(‌
−π
6
,‌
13Ï€
6
)
, then find the value (l1+l2).
[Use: π=3.14 ]
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