Question: (a) Use the method in Exercise 7.4.13 to solve an Euler equation whose characteristic equation has a double root r1 = r2 = r. Solve

(a) Use the method in Exercise 7.4.13 to solve an Euler equation whose characteristic equation has a double root r1 = r2 = r. Solve the specific equations
(i) x2u" - xu€² + u = 0
(ii)

du du dx2 x dx 0

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