Question

Интеграл (2x+3)^3 dx

Answer 1

$Formyla:\; \int (kx+b)^{n}=\frac{1}{k}\cdot \frac{(kx+b)^{n+1}}{n+1}+C\\\\\int (2x+3)^3\, dx=\frac{1}{2}\cdot \frac{(2x+3)^4}{4}+C$