IDZ 11.4 - Option 2. Decisions Ryabushko AP

1. Find a particular solution of a linear homogeneous differential equation.
1.2 yV - 9y = 0, y (0) = 1, y (0) = -1, y (0) = 0, y (0) = 0, yIV (0) = 0

2. Solve the system of differential equations in two ways: a) information to higher order differential equations; b) using a characteristic equation.
2.2 x ´= x-y, y´ = - 4x + y

3. Solve the differential equation by variation of arbitrary constants.
3.2 y + 4y = 1 / cos2x

4. Solve the following problems.
4.2 Write the equation of the curve, if it is known that the intersection point of any tangent to the curve with the horizontal axis is equidistant from the contact point and the origin.