Doubt from integration

20200209_163306

@Samrat_2020 , @Ajay_2021 , @Raunak_2020 what should be ans i dnt have ans please share..

I am getting sin1

approach i also getting same sin1/ln2

Ignore post #2
I am also getting sin1/ln2

Made a silly mistake

@Raunak_2020 ur approach??

x^(n+1) substitution
Then applying limit inside Integral
Example t^(n/n+1)=t

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@Raunak_2020 could you share your method too i didn't quite understand it