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Beliebt Rechnen >

(D^2+9)y=0,Dy=0,y=2,x=30

Lösung

(D^{2} + 9) y = 0, Dy = 0, y = 2, x = 30

Lösung

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

Schritte zur Lösung

(D^{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)

Graph

Beliebte Beispiele

4 y^{^{''}} - 4 y + y = 0

y^{'''}+2y^{''}-63y^'=0

y^{^{'''}} + 2 y^{^{''}} - 63 y^{^{'}} = 0

2y^{''}+2y+y=0,y(0)=1,y^'(0)=1

2 y^{^{''}} + 2 y + y = 0, y (0) = 1, y^{^{'}} (0) = 1

(d^2y)/(dx^2)=ky

\frac{d ^{2} y}{d x ^{2}} = k y

y^{''}-12y^'+20y=0

y^{^{''}} - 12 y^{^{'}} + 20 y = 0