This calculus video tutorial explains how to find the surface area of revolution by integration. It provides plenty of examples and practice problems finding the surface area generated by a region or curve when rotating about the x axis or y terms. This video provides the two integral formulas that you need and how describes how to find the radius in terms of x or y variables. Integration techniques needed to solve problems include u-substitution , simplifying radicals, and factoring perfect square trinomials.
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