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OpenStudy (anonymous):
∫ from 0 to ∞ of xe^(-5.6x) dx Can anyone help me with this?
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OpenStudy (experimentx):
use integration by parts, u=x and v= e^(-5.6x)
OpenStudy (anonymous):
I tried and got -1 / 31.36 but apparently this is not the right answer :(
OpenStudy (experimentx):
http://www4a.wolframalpha.com/Calculate/MSP/MSP41311a10iii6a32dh5a1000065b40f685b1ii610?MSPStoreType=image/gif&s=10&w=403&h=34 answer must be 0.0318878
OpenStudy (anonymous):
oh okay I guess I messed up my signs somewhere, thanks
OpenStudy (experimentx):
well if you post your solution i can help where you made mistake
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