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3. Find the indicial equation and its roots for the following DEs. (a) 2xy ty try =0 (b) 2x2y + 3xy' - (x2+1) y=0

3. Find the indicial equation and its roots for the following DEs. (a) 2xy" ty try =0 (b) 2x2y" + 3xy' - (x2+1) y=0

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