Determine power series solution
Determine power series solution y(x) on N(0) for (4-x2)y'' - xy'+y = 0 and find radius of absolute convergence if cannot find the general expression, then point first six terms of that series at least.
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Suppose that mass slides without friction but motion is subjet to viscous air resistance with coefficient 'y' (gamma sign). Determine differential equation satisified by displacement x(t) of mass from its equilibrium poisiton.
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