(d^2y)/(dx^2)+9y=0

Lösung

\frac{d ^{2} y}{d x ^{2}} + 9 y = 0

y = c_{1} cos (3 x) + c_{2} sin (3 x)

Schritte zur Lösung

\frac{d ^{2} y}{d x ^{2}} + 9 y = 0

Solve linear ODE:

y = c_{1} cos (3 x) + c_{2} sin (3 x)

y = c_{1} cos (3 x) + c_{2} sin (3 x)

d er i v a t i v e 6 x^{3} - tan (x)

\frac{\partial}{\partial x} (x y (1 - 7 x - 4 y))

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x \to 0 + lim (x - \frac{1}{x ^{3}})

\frac{\partial}{\partial x} (ln (1 + x^{2} + e^{y} + z))