Solving 3rd Order Differential Equations

Category: Differential Equations, Integral Calculus

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Find the general solution for

Solution:

Consider the given equation above

The given equation is a 3rd Order Differential Equation because the third derivative of y with respect to x is involved. We can rewrite given equation as follows

Multiply both sides of the equation by dx, we have

Integrate on both sides of the equation, we have

Rewrite the above equation as follows

Multiply both sides of the equation by dx, we have

Integrate on both sides of the equation, we have

Multiply both sides of the equation by dx, we have

Integrate on both sides of the equation, we have

where B = ½ C₁. Therefore, the general solution is