13.07 Further antidifferentiation

Find $\int\frac{1}{\left(x+6\right)^3}dx$∫1(x+6)3​dx, with $C$C as the constant of integration.

Find $\int6\left(x+2\right)^2dx$∫6(x+2)2dx, with $C$C as the constant of integration.

Find $\int\frac{4}{\left(x-5\right)^3}dx$∫4(x−5)3​dx, with $C$C as the constant of integration.