Question: (a) Construct a linear first-order differential equation of the form xy' + 3y = g(x) for which y = x 3 1 c/x 3 is

(a) Construct a linear ­first-order differential equation of the form xy' + 3y = g(x) for which y = x3 1 c/x3 is its general solution. Give an interval I of defi­nition of this solution.

(b) Give an initial condition y(x0) = y0 for the DE found in part (a) so that the solution of the IVP is y = x3 – 1/x3. Repeat if the solution is y = x3 + 2/x3. Give an interval I of de­finition of each of these solutions. Graph the solution curves. Is there an initial-value problem whose solution is defined on (-∞, ∞)?

(c) Is each IVP found in part (b) unique? That is, can there be more than one IVP for which, say, y = x‑ - 1/x3, x in some interval I, is the solution?

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a Differentiating y c cx 3 we get y c 3cx 4 3x cx 3 3x y c so a differential equatio... View full answer

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