(xdy)/(dx)-y=x^2sin(x)

解答

\frac{x d y}{d x} - y = x^{2} sin (x)

y = - cos (x) x + c_{1} x

求解步骤

\frac{x d y}{d x} - y = x^{2} sin (x)

求解线性方程:

y = - cos (x) x + c_{1} x

y = - cos (x) x + c_{1} x

\int 6 x - 1 d x

\int \frac{ln ( 7 x )}{x ^{9}} d x

d er i v a t i v e ln (x x^{2} - 1)

s l o p e (- 3, - 2), (1, - 5)

\int cos (x) (1 + 7 sin^{2} (x)) d x