переменной):
[m]\int (x^4 + 1)^5\ x^3\ dx = \frac{1}{4} \int y^5\ dy = \frac{1}{4} \frac{y^6}{6} + C = \frac{(x^4 + 1)^6}{24} + C[/m]
б) Замена 2x + 5 = y; dy = 2dx; dx = 1/2 dy
[m]\int e^{2x + 5}\ dx = \frac{1}{2} \int e^{y}\ dy = \frac{1}{2} e^{y} + C = \frac{1}{2} e^{2x + 5} + C[/m]