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coseclogxxdx is equal to 

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a
−2logcoseclogx+cotlogx+C
b
2logcoseclogx+cotlogx+C
c
2logcoseclogx−cotlogx+C
d
−2logcoseclog−cotlogx+C

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detailed solution

Correct option is C

Let I=∫cos⁡eclog⁡xxdx Put log⁡x=y1dxx2x=dydxx=2dyI=2∫cos⁡ecydy=2log⁡|cosecy−cot⁡y|+CI=2log⁡|cosec⁡log⁡x−cot⁡log⁡x|+C


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