2. A conical tank has height 10 ft and radius 8 ft. The tank is buried vertex-down so that the top is 6 ft underground. The tank is filled with kerosene (of density 51.21lb/ft³). (a) Write down an integral for the total fluid force on the side of the tank. (b) Suppose all the kerosene is pumped to ground level. Write down an integral for the work required to pump the oil.

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Sequence and Series

A sequence is defined as a collection of things. Series is defined to sum the things one by one in the sequence.  It was invented by German mathematician Carl Friedrich Gauss.