A beam is used to support a building as shown in Figure 2.17. The beam has to
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A beam is used to support a building as shown in Figure 2.17. The beam has to pass over a 3 m brick wall which is 2 m from the building. Show that the minimum length of the beam is associated with the value of x which minimizes
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E(x) = (x + 2) Figure 2.17 + 3 m V000000 00000 2m 8989898989898
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