∫(2x3+x2)3(18x2+6x)dx=....\int\left(2x^3+x^2\right)^3\left(18x^2+6x\right)dx=....∫(2x3+x2)3(18x2+6x)dx=....
3(2x3+x2)4+C3\left(2x^3+x^2\right)^4+C3(2x3+x2)4+C
4(2x3+x2)4+C4\left(2x^3+x^2\right)^4+C4(2x3+x2)4+C
34(2x3+x2)4+C\frac{3}{4}\left(2x^3+x^2\right)^4+C43(2x3+x2)4+C
14(2x3+x2)4+C\frac{1}{4}\left(2x^3+x^2\right)^4+C41(2x3+x2)4+C
13(2x3+x2)4+C\frac{1}{3}\left(2x^3+x^2\right)^4+C31(2x3+x2)4+C