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jennychan12 Group TitleBest ResponseYou've already chosen the best response.0
\[\int\limits (x \sqrt{x+2})dx\]
 one year ago

jennychan12 Group TitleBest ResponseYou've already chosen the best response.0
u = x+2 > x = u2 so \[\int\limits (u2)u^{\frac{ 1 }{ 2 }} du\] \[\int\limits u^{\frac{ 3 }{ 2 }}  2u^{\frac{ 1 }{ 2 }}\] am i correct so far? if i am i can do the rest
 one year ago

jennychan12 Group TitleBest ResponseYou've already chosen the best response.0
oops. forgot the du on the last part
 one year ago

jennychan12 Group TitleBest ResponseYou've already chosen the best response.0
If it is it'd be \[F(u) = \frac{ 2 }{ 5 } u^{\frac{ 5 }{ 2 }} \frac{ 4 }{ 3 }u^{\frac{ 3 }{ 2 }}\] and I'd just plug in the u's.
 one year ago

jennychan12 Group TitleBest ResponseYou've already chosen the best response.0
oops forgot the +C I checked the answer and it'd partially correct. i got to the 2/5u..... i don't understand what they did after.
 one year ago

slaaibak Group TitleBest ResponseYou've already chosen the best response.1
they just factorise
 one year ago

jennychan12 Group TitleBest ResponseYou've already chosen the best response.0
ohhh ok lemme try that and see if i get it right.. :/
 one year ago

precal Group TitleBest ResponseYou've already chosen the best response.0
at the end they sub u back in
 one year ago

jennychan12 Group TitleBest ResponseYou've already chosen the best response.0
_ that just makes more work oh well i got the answer, thanks.
 one year ago
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