∫x2(x3+3)5dx= ....\int x^2\left(x^3+3\right)^5dx=\ ....∫x2(x3+3)5dx= ....
118(x3+3)5+C\frac{1}{18}\left(x^3+3\right)^5+C181(x3+3)5+C
118(x3+3)6+C\frac{1}{18}\left(x^3+3\right)^6+C181(x3+3)6+C
2x(x3+3)6+C2x\left(x^3+3\right)^6+C2x(x3+3)6+C
x2(x3+3)6+Cx^2\left(x^3+3\right)^6+Cx2(x3+3)6+C
12(x3+3)6+C\frac{1}{2}\left(x^3+3\right)^6+C21(x3+3)6+C