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anonymous
 4 years ago
integrate[3x*squaroot[x^2+4]]
anonymous
 4 years ago
integrate[3x*squaroot[x^2+4]]

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anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0dw:1327730857669:dw

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0yes.. im stuck cuz x^2+4 cant be factored =(

TuringTest
 4 years ago
Best ResponseYou've already chosen the best response.2\[u=x^2+4\to du=2xdx\]\[\frac3 2\int \sqrt u du\]

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0what happen to the extra x? u just left that out.,...

TuringTest
 4 years ago
Best ResponseYou've already chosen the best response.2yes because there was a 3 in the beginning I pulled that out then multiplied by 2/2 to get my expression.

anonymous
 4 years ago
Best ResponseYou've already chosen the best response.0oh geeze, i kept thinking 3x is sticking together, thanks, now it makes sense =)
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