Show that x = 0 is a regular singular point for the equation (Bessel's equation of zero order) xy" + y' + xy = 0 and find the corresponding indicial equation. Find a series solution of the form y = 1 + Σ anx", n=1 deriving the general recurrence relation and calculating the explicit form of an. = 0, k = 1, 2, … ... Determine first four nonzero terms of the Show that a2k-1 = expansion.