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Mathematics 20 Online
OpenStudy (anonymous):

integration.. by parts

OpenStudy (anonymous):

my answer is -1/2 x cos2x +1/4 sin 2x +c.. not sure

OpenStudy (anonymous):

Looks good to me

OpenStudy (vishweshshrimali5):

Same here :) perfect answer

OpenStudy (anonymous):

Thank you so much @iambatman @vishweshshrimali5 =))

OpenStudy (vishweshshrimali5):

'twas my pleasure

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