(v) (6 points) Find a value for the constant b that will make the radius of convergence of the power series equal to 5.

2. (10 points) Jane is 2 km offshore in a boat and wishes to reach a coastal village 6 km down a straight shoreline from the point nearest the boat. Since she can row 2 km/hour and can walk 5 km/hour. Where should she land her boat to reach the village in the least amount of time?