Answer :

Final answer:

To solve the given differential equation, rewrite it in terms of dy/dx and separate the variables y and x. Integrate both sides with respect to x and solve for y.

Explanation:

To solve the differential equation 3x² y' = 45x⁴ + y³, we can start by rewriting the equation in the form dy/dx = (45x⁴ + y³)/3x². We can rearrange this equation to separate the variables y and x.

Next, we can integrate both sides of the equation with respect to x to find the solution for y.

By integrating, we get ∫1/y³ dy = ∫15x² + C dx.

Solving these integrals, we get -1/(2y²) = 5x³/3 + Cx + D.

Rearranging the equation and simplifying, we have y² = -2/(5x³/3 + Cx + D).

Therefore, the solution to the differential equation is y = ±√(-2/(5x³/3 + Cx + D)), where C and D are constants determined by initial conditions or given values.

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