MAT244--2019F > Quiz-7

Quiz 7 LEC 0201

(1/1)

**anntara khan**:

dx/dt = y

dy/dt = -x+(1/6)*(x^3)

(a) Find an equation of the form H(x, y) = c satisfied by the trajectories.

(b) Plot several level curves of the function H. These are trajectories of the given system.

Indicate the direction of motion on each trajectory.

**anntara khan**:

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