The coefficient recursion relation for the solution y E an xn+1 of the n=0 equation 2y" – y' + (1+ 2x)y = 0 is a) None of these O b) an+1 2an (n+1)! n > 0 %3D 2an c) an+1 n > 0 (n+1) ' O d) 2an n > 0 An+1 = (n+1) -2an an+1 n>0 n+1,

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