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ash2326 Group TitleBest ResponseYou've already chosen the best response.0
\[\int x(1+2x)^5dx\] We can expand (1+2x)^5, but that will be tiring Do you know u substitution method ?
 one year ago

shaqadry Group TitleBest ResponseYou've already chosen the best response.0
how do i solve it by parts?
 one year ago

ash2326 Group TitleBest ResponseYou've already chosen the best response.0
Not by parts, do u know usubstitution? It'll make it easy
 one year ago

ash2326 Group TitleBest ResponseYou've already chosen the best response.0
@shaqadry Put 2x+1=t so \[2dx=dt\] \[dx=\frac{dt}{2}\] Do you get this?
 one year ago

shaqadry Group TitleBest ResponseYou've already chosen the best response.0
and then?
 one year ago

shaqadry Group TitleBest ResponseYou've already chosen the best response.0
wait but the question requires me to solve it by parts :/
 one year ago

ash2326 Group TitleBest ResponseYou've already chosen the best response.0
Then, we will use this \[\int uv=u\int v\int(du \int v)\]
 one year ago

ash2326 Group TitleBest ResponseYou've already chosen the best response.0
Can you try, apply it here?
 one year ago

shaqadry Group TitleBest ResponseYou've already chosen the best response.0
@ash2326 which one should i equate to 'u' ? which is the better choice?
 one year ago

ash2326 Group TitleBest ResponseYou've already chosen the best response.0
Equate x to u, it'll become 1 in the second part of by parts and then we find the integral easily @shaqadry
 one year ago

shaqadry Group TitleBest ResponseYou've already chosen the best response.0
okay thanks i will try to solve it!
 one year ago
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