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a
3
b
13
c
−3
d
−13
answer is B.
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Detailed Solution
We have,limx→π/6 3sinx−3cosx6x−π=limx→π/6 2332sinx−12cosx6x−π6=limx→π/6 13sinx−π6x−π6=13ALITER We have,limx→π/6 3sinx−3cosx6x−π 00 form =limx→π/6 3cosx+3sinx6 [Using De L Hospital's Rule] =163cosπ6+3sinπ6=13