Question: Solve the following Cauchy-Euler differential equations: (a) 4ry' + 4ry - y = 0. (b) ry + 10xy' + 8y = 0. (c) ry

Solve the following Cauchy-Euler differential equations: (a) 4ry' + 4ry - y = 0. (b) ry" + 10xy' + 8y = 0. (c) ry" - 6y = 0. (2) Solve the Cauchy-Euler DE by variation of parameters method: (a) xy" - xy + y = 2r. (b) ry" - 4xy' = x. (c) xy" - 3xy + y = x. (d) ry" - xy + y = lnr. (e) r" - 3ru' + 4y = lnr.

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