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- V (sec-"(-3z?))³ If y= Vsec-1 (-3x²), then dy - dz 21-3z지·v9z¢_1 True FalseSeries Solution Method. In each of Problems 1 through 20, solve the given differential equation by means of a power series about the given point o. Find the recurrence relation; also find the first four terms in each of two linearly independent solutions (unless the series terminates sooner). If possible, find the general term in each solution.Series Solution Method. In each of Problems 1 through 20, solve the given differential equation by means of a power series about the given point o. Find the recurrence relation; also find the first four terms in each of two linearly independent solutions (unless the series terminates sooner). If possible, find the general term in each solution.