Срочно нужен ответ,до среды!
| 2 1) S 3x^3 dx = (3/4) * x^4 | = (16 * 3 - 3)/4 = 45/4 = 11.25 | 1 | 4 2) S 1/x^2 dx = - 1/x | = -1/4 - (-1/2) = 1/4 = 0.25 | 2 |pi/2 3) S cosx dx = sinx | = 1 - 0 = 1 | 0 | pi 4) S sin2x dx = -1/2 cos2x | = -1/2 - 1/2 = -1 | pi/2
Большое спасибо