See attachment.
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You can find $\displaystyle \int xe^x~dx$ using integration by parts. Do you know this method?
Originally Posted by pickslides You can find $\displaystyle \int xe^x~dx$ using integration by parts. Do you know this method? yah its like uv- integral of vdu so is it xe^x - e^x ?
Originally Posted by WartonMorton yah its like uv- integral of vdu so is it xe^x - e^x ? Sounds good.
so thus the improper integral is -1 ?
That's what I get.
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